any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
Aberdeen Angus
black hornless breed from Scotland
a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body
ratlike rodent with soft fur and large ears of the Andes
Abudefduf saxatilis
large blue-grey black-striped damselfish; nearly worldwide
Abyssinian cat
a small slender short-haired breed of African origin having brownish fur with a reddish undercoat
Acanthisitta chloris
small green-and-bronze bird
any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
Acanthocybium solandri
large fast-moving predacious food and game fish; found worldwide
Acanthophis antarcticus
venomous Australian snake resembling an adder
a teleost fish with fins that are supported by sharp inflexible rays
Acanthoscelides obtectus
larvae live in and feed on growing or stored beans
Acanthurus chirurgus
surgeon fish of the West Indies
very small free-living arachnid that is parasitic on animals or plants; related to ticks
mite or tick
small sparrow-like songbird of mountainous regions of Eurasia
Accipiter cooperii
bluish-grey North American hawk having a darting flight
Accipiter gentilis
large hawk of Eurasia and North America used in falconry
Accipiter nisus
small hawk of Eurasia and northern Africa
Acherontia atropos
European hawkmoth with markings on the back resembling a human skull
Acheta assimilis
common American black cricket; attacks crops and also enters dwellings
Achoerodus gouldii
found around the Great Barrier Reef
Acinonyx jubatus
long-legged spotted cat of Africa and southwestern Asia having nonretractile claws; the swiftest mammal; can be trained to run down game
Acipenser huso
valuable source of caviar and isinglass; found in Black and Caspian seas
Acipenser transmontanus
food and game fish of marine and fresh waters of northwestern coast of North America
grasshopper with short antennae
Acridotheres tristis
dark brown crested bird of southeastern Asia
Acris crepitans
a cricket frog of eastern and central United States
Acris gryllus
a cricket frog of eastern United States
Acrocephalus schoenobaenus
small European warbler that breeds among reeds and wedges and winters in Africa
an animal having teeth consolidated with the summit of the alveolar ridge without sockets
Actias luna
large pale-green American moth with long-tailed hind wings and a yellow crescent-shaped mark on each forewing
any sea anemone or related animal
sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
Actitis macularia
common North American sandpiper
Adalia bipunctata
red ladybug with a black spot on each wing
Addax nasomaculatus
large antelope with lightly spiraled horns of desert regions of northern Africa
Adelges abietis
a variety of adelgid
Adelges piceae
a variety of adelgid
any of various insects that feed and form galls on conifers
Adenota vardoni
an African antelope closely related to the waterbuck
any of several brightly colored butterflies
any mature animal
Aedes aegypti
mosquito that transmits yellow fever and dengue
small medusa
Aegypius monachus
of southern Eurasia and northern Africa
extinct primate of about 38 million years ago; fossils found in Egypt
Aepyceros melampus
African antelope with ridged curved horns; moves with enormous leaps
huge (to 9 ft.) extinct flightless bird of Madagascar
Aetobatus narinari
ray with back covered with white or yellow spots; widely distributed in warm seas
European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle
thoroughbred that won the triple crown in 1978
Afghan hound
tall graceful breed of hound with a long silky coat; native to the Near East
African clawed frog
a tongueless frog native to Africa; established in the United States as result of release of laboratory and aquarium animals
African hunting dog
a powerful doglike mammal of southern and eastern Africa that hunts in large packs; now rare in settled area
African wild ass
a wild ass of Africa
tall large-horned humped cattle of South Africa; used for meat or draft
Afropavo congensis
both sexes are brightly colored
small terrestrial lizard of warm regions of the Old World
a lizard of the family Agamidae
Agelaius phoeniceus
North American blackbird with scarlet patches on the wings
Agkistrodon contortrix
common coppery brown pit viper of upland eastern United States
Agkistrodon piscivorus
venomous semiaquatic snake of swamps in southern United States
eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
Agonus cataphractus
northern Atlantic sea poacher
Agriocharis ocellata
wild turkey of Central America and northern South America
Ailuropoda melanoleuca
large black-and-white herbivorous mammal of bamboo forests of China and Tibet; in some classifications considered a member of the bear family or of a separate family Ailuropodidae
Ailurus fulgens
reddish-brown Old World raccoon-like carnivore; in some classifications considered unrelated to the giant pandas
Airedale terrier
breed of large wiry-coated terrier bred in Yorkshire
Aix galericulata
showy crested Asiatic duck; often domesticated
Aix sponsa
showy North American duck that nests in hollow trees
Ajaia ajaja
tropical rose-colored New World spoonbill
Alaskan malamute
breed of sled dog developed in Alaska
Alauda arvensis
brown-speckled European lark noted for singing while hovering at a great height
large web-footed birds of the southern hemisphere having long narrow wings; noted for powerful gliding flight
Albula vulpes
slender silvery marine fish found in tropical mud flats and mangrove lagoons
Alca torda
black-and-white northern Atlantic auk having a compressed sharp-edged bill
Alces alces
large northern deer with enormous flattened antlers in the male; called `elk' in Europe and `moose' in North America
Alectis ciliaris
fish having greatly elongated front rays on dorsal and anal fins
Alectoris graeca
of mountainous areas of southern Europe
Alectoris ruffa
common western European partridge with red legs
Alectura lathami
black megapode of wooded regions of Australia and New Guinea
Algeripithecus minutus
tiny (150 to 300 grams) extinct primate of 46 to 50 million years ago; fossils found in Algeria; considered by some authorities the leading candidate for the first anthropoid
alley cat
a homeless cat
alligator lizard
slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America
Alligator mississipiensis
large alligator of the southeastern United States
Alligator sinensis
small alligator of the Yangtze valley of China having unwebbed digits
either of two amphibious reptiles related to crocodiles but with shorter broader snouts
late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
Alopex lagopus
thickly-furred fox of Arctic regions; brownish in summer and white in winter
Alopius vulpinus
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
Alosa alosa
European shad
Alosa chrysocloris
shad that spawns in streams of the Mississippi drainage; very similar to Alosa sapidissima
Alsophila pometaria
North American moth with grey-winged males and wingless females; larvae are fall cankerworms
Alytes cisternasi
similar in habit to Alytes obstetricians
Alytes obstetricans
European toad whose male carries the fertilized eggs wrapped around its hind legs until they hatch
red Asian weaverbirds often kept as cage birds
mainly green tropical American parrots
any of several amber to coppery fork-tailed warm-water carangid fishes
Ambloplites rupestris
game and food fish of upper Mississippi and Great Lakes
Amblyrhynchus cristatus
shore-dwelling seaweed-eating lizard of the Galapagos Islands
Ambystoma maculatum
glossy black North American salamander with yellow spots
Ambystoma mexicanum
larval salamander of mountain lakes of Mexico that usually lives without metamorphosing
Ambystoma talpoideum
brownish-black burrowing salamander of southeastern United States
Ambystoma tigrinum
widely distributed brown or black North American salamander with vertical yellowish blotches
small to moderate-sized terrestrial or semiaquatic New World salamander
Ameiurus Melas
catfish common in eastern United States
American badger
a variety of badger native to America
American buffalo
large shaggy-haired brown bison of North American plains
American crayfish
common large crayfishes of eastern North America
American egret
a common egret of the genus Egretta found in America; it is a variety of the Old World white egret Casmerodius albus
American flying squirrel
New World flying squirrels
American foxhound
an American breed of foxhounds used for hunting both in packs and individually
American green toad
small green or yellow-green toad with small black bars and stripes
American harvest mouse
any of several small greyish New World mice inhabiting e.g. grain fields
American mastodont
mastodon of North America; in some classifications considered a mammoth rather than a mastodon
American saddle horse
a high-stepping horse originating in Kentucky
American smooth dogfish
found along the Atlantic coast of the Americas
American Staffordshire terrier
American breed of muscular terriers with a short close-lying stiff coat
American water ouzel
a water ouzel of western North America
American water shrew
water shrew of North America
American water spaniel
breed of medium-sized spaniels originating in America having chocolate or liver-colored curly coat
American widgeon
a widgeon the male of which has a white crown
American woodcock
small long-billed woodcock; prized as a game bird
amethystine python
a python having the color of amethyst
Amia calva
primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Ammotragus lervia
wild sheep of northern Africa
higher vertebrates (reptiles, birds and mammals) possessing an amnion during development
any member of the Amniota
cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates
a kind of malacostracan crustacean
Amphiprion percula
an anemone fish of the genus Amphiprion
aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States
Anabas testudineus
a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land
Anabrus simplex
large dark wingless cricket-like katydid of arid parts of western United States
primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Anas acuta
long-necked river duck of the Old and New Worlds having elongated central tail feathers
Anas clypeata
freshwater duck of the northern hemisphere having a broad flat bill
Anas crecca
common teal of Eurasia and North America
Anas discors
American teal
Anas penelope
freshwater duck of Eurasia and northern Africa related to mallards and teals
Anas platyrhynchos
wild dabbling duck from which domestic ducks are descended; widely distributed
Anas querquedula
small Eurasian teal
Anas rubripes
a dusky duck of northeastern United States and Canada
Anasa tristis
large black American bug that sucks sap of vines of the gourd family
extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian
one of the largest and most famous duck-billed dinosaurs
small herring-like plankton-eating fishes often canned whole or as paste; abundant in tropical waters worldwide
Ancylus fluviatilis
minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
a bee that is a member of the genus Andrena
Aneides lugubris
yellow-spotted brown salamander of California woodlands
anemone fish
live associated with sea anemones
marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
a butterfly fish of the genus Pomacanthus
nymphalid butterfly having angular notches on the outer edges of the forewings
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
Angora cat
a long-haired breed of cat similar to the Persian cat
Angora goat
a domestic breed of goat raised for its long silky hair which is the true mohair
Angora rabbit
domestic breed of rabbit with long white silky hair
anguid lizard
any of a small family of lizards widely distributed in warm areas; all are harmless and useful as destroyers of e.g. slugs and insects
Anguilla sucklandii
New Zealand eel
Anguillula aceti
minute eelworm that feeds on organisms that cause fermentation in e.g. vinegar
Anguis fragilis
small burrowing legless European lizard with tiny eyes; popularly believed to be blind
Anhima cornuta
screamer having a hornlike process projecting from the forehead
Anhinga anhinga
blackish New World snakebird of swampy regions
fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill
black tropical American cuckoo
Anisotremus surinamensis
dusky grey food fish found from Louisiana and Florida southward
Anisotremus virginicus
black and gold grunt found from Bermuda to Caribbean to Brazil
having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's
worms with cylindrical bodies segmented both internally and externally
Anoa depressicornis
small buffalo of the Celebes having small straight horns
Anolis carolinensis
small arboreal tropical American insectivorous lizards with the ability to change skin color
Anomala orientalis
introduced into United States from the Orient; larvae feed on roots of sugarcane and other grasses
fish having a luminous organ beneath eye; of warm waters of the western Pacific and Puerto Rico
Anomalopteryx oweni
the smallest moa; slender moa about the size of a large turkey
Anomia ephippium
thin-shelled bivalve having the right valve deeply notched
any mosquito of the genus Anopheles
Anoplophora glabripennis
a beetle from China that has been found in the United States and is a threat to hardwood trees; lives inside the tree; no natural predators in the United States
Anser anser
common grey wild goose of Europe; ancestor of many domestic breeds
Anser cygnoides
very large wild goose of northeast Asia; interbreeds freely with the greylag
anseriform bird
chiefly web-footed swimming birds
ant bird
any of various dull-colored South American birds that feeding on ants some following army ant swarms
ant cow
excretes a honeylike substance eaten by ants
ant lion
winged insect resembling a dragonfly; the larvae (doodlebugs) dig conical pits where they wait to catch e.g. ants
ant lion
the larva of any of several insects
ant shrike
antbirds superficially resembling shrikes
ant thrush
a kind of antbird
social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea
toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks
Antheraea mylitta
oriental moth that produces brownish silk
Antheraea pernyi
a Chinese moth that produces a brownish silk
Antheraea polyphemus
very large yellowish-brown American silkworm moth with large eyespots on hind wings; larvae feed on fruit and shade trees
Anthonomus grandis
greyish weevil that lays its eggs in cotton bolls destroying the cotton
Anthrenus scrophulariae
a small black and red and white carpet beetle
any member of the suborder Anthropoidea including monkeys and apes and hominids
anthropoid ape
any tailless ape of the families Pongidae and Hylobatidae
Anthus pratensis
a common pipit that is brown above and white below; widely distributed in northern and central Europe and in Asia
Antidorcas marsupialis
a South African gazelle noted for springing lightly into the air
Antilocapra americana
fleet antelope-like ruminant of western North American plains with small branched horns
Antilope cervicapra
common Indian antelope with a dark back and spiral horns
Antrozous pallidus
drab yellowish big-eared bat that lives in caves
any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species
Aotus trivirgatus
nocturnal monkey of Central America and South America with large eyes and thick fur
Apatosaurus excelsus
huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic
Apatura iris
large European butterfly the male of which has wings shaded with purple
any of various primates with short tails or no tail at all
any of various small plant-sucking insects
aphid lion
carnivorous larva of lacewing flies
Aphis fabae
blackish aphid that infests e.g. beans and sugar beets
Aphis pomi
bright green aphid; feeds on and causes curling of apple leaves
Aphriza virgata
sandpiper-like shorebird of Pacific coasts of North America and South America
Aphrophora saratogensis
feeds on pines in northern United States
Apis mellifera
social bee often domesticated for the honey it produces
Apis mellifera scutellata
a strain of bees that originated in Brazil in the 1950s as a cross between an aggressive African bee and a honeybee; retains most of the traits of the African bee; now spread as far north as Texas
deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle
Aplodontia rufa
bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
Aplysia punctata
naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles
apodiform bird
nonpasserine bird having long wings and weak feet; spends much of its time in flight
Apogon maculatus
a cardinalfish found in tropical Atlantic coastal waters
large siphonophore of up to 50 ft long
a hardy breed of saddle horse developed in western North America and characteristically having a spotted rump
free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates
a smaller of the four Swiss breeds
Aptenodytes forsteri
the largest penguin; an Antarctic penguin
Aptenodytes patagonica
large penguin on islands bordering the Antarctic Circle
nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
aquatic bird
wading and swimming and diving birds of either fresh or salt water
aquatic mammal
whales and dolphins; manatees and dugongs; walruses; seals
aquatic vertebrate
animal living wholly or chiefly in or on water
Aquila chrysaetos
large eagle of mountainous regions of the northern hemisphere having a golden-brown head and neck
Aquila rapax
brownish eagle of Africa and parts of Asia
a spirited graceful and intelligent riding horse native to Arabia
air-breathing arthropods characterized by simple eyes and four pairs of legs
Aramus guarauna
wading bird of South America and Central America
Aramus pictus
wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call
Aranea diademata
a spider common in European gardens
Araneus cavaticus
an orange and tan spider with darkly banded legs that spins an orb web daily
Archaeopteryx lithographica
extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing
small primitive marine worm lacking external segmentation and resembling polychaete larvae
Archidiskidon imperator
largest known mammoth; of America
Archilochus colubris
a kind of hummingbird
largest mollusk known about but never seen (to 60 feet long)
Archosargus probatocephalus
large (up to 20 lbs) food fish of the eastern coast of the United States and Mexico
Archosargus rhomboidalis
sea bream of warm Atlantic waters
extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
Arctic ground squirrel
large ground squirrel of the North American far north
Arctictis bintourong
arboreal civet of Asia having a long prehensile tail and shaggy black hair
stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars
Arctocebus calabarensis
a kind of lemur
Arctocephalus philippi
a fur seal of the Pacific coast of California and southward
Arctonyx collaris
southeast Asian badger with a snout like a pig
Ardea herodius
large American heron having bluish-grey plumage
Ardea occidentalis
large white heron of Florida and the Florida Keys
Arenaria interpres
common Arctic turnstone that winters in South America and Australia
common turnstone of the Pacific coast of North America
tick lacking a dorsal shield and having mouth parts on the under side of the head
any of various small silver-scaled salmon-like marine fishes
huge herbivorous dinosaur of Cretaceous found in Argentina
Argiope aurantia
a widely distributed North American garden spider
Argonauta argo
cephalopod mollusk of warm seas whose females have delicate papery spiral shells
large brilliantly patterned East Indian pheasant
Argyrotaenia citrana
California moth whose larvae live in especially oranges
Arilus cristatus
large predatory North American bug that sucks the blood of other insects
Arizona elegans
nocturnal burrowing snake of western United States with shiny tan scales
ark shell
marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
Arkansas kingbird
a kingbird seen in western United States; head and back are pale grey and the breast is yellowish and the tail is black
burrowing chiefly nocturnal mammal with body covered with strong horny plates
armored catfish
South American catfish having the body covered with bony plates
armored dinosaur
dinosaurs having bony armour
armored scale
insect having a firm covering of wax especially in the female
army ant
tropical nomadic ant that preys mainly on other insects
larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted
any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth
Artemia salina
common to saline lakes
invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
placental mammal having hooves with an even number of functional toes on each foot
Arvicola amphibius
common large Eurasian vole
Ascaphus trui
western North American frog with a taillike copulatory organ
Ascaridia galli
intestinal parasite of domestic fowl
Ascaris lumbricoides
intestinal parasite of humans and pigs
minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
ascidian tadpole
free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord
Asian coral snake
of India
Asian horseshoe crab
horseshoe crab of the coast of eastern Asia
Asian tiger mosquito
striped native of Japan thriving in southwestern and midwestern United States and spreading to the Caribbean; potential carrier of serious diseases
Asian wild ox
genus of Asiatic wild oxen
Asiatic flying squirrel
nocturnal rodent of Asia having furry folds of skin between forelegs and hind legs enabling it to move by gliding leaps
Asio otus
slender European owl of coniferous forests with long ear tufts
Aspidelaps lubricus
small widely distributed arboreal snake of southern Africa banded in black and orange
Aspidiotus perniciosus
small east Asian insect naturalized in the United States that damages fruit trees
Aspidophoroides monopterygius
small very elongate sea poachers
hardy and sure-footed animal smaller and with longer ears than the horse
assassin bug
a true bug: long-legged predacious bug living mostly on other insects; a few suck blood of mammals
thoroughbred that won the triple crown in 1946
Astrophyton muricatum
a variety of basket star
Astropogon stellatus
found in West Indies; lives in mantle cavity of a living conch
Ateles geoffroyi
arboreal monkey of tropical America with long slender legs and long prehensile tail
Athene noctua
small European owl
Atherinopsis californiensis
a relatively large silversides of the Pacific coast of North America (known to reach 18 inches in length)
Atlantic bonito
medium-sized tuna-like food fish of warm Atlantic and Pacific waters; less valued than tuna
Atlantic bottlenose dolphin
the most common dolphin of northern Atlantic and Mediterranean; often kept captive and trained to perform
Atlantic salmon
found in northern coastal Atlantic waters or tributaries; adults do not die after spawning
Atlantic spiny dogfish
destructive dogfish of the Atlantic coastal waters of America and Europe; widely used in anatomy classes
attack dog
a watchdog trained to attack on command
Atticus atlas
giant saturniid moth widespread in Asia; sometimes cultured for silk
black-and-white short-necked web-footed diving bird of northern seas
any of several small auks of the northern Pacific coasts
Aulostomus maculatus
tropical Atlantic fish with a long snout; swims snout down
Auriparus flaviceps
very small yellow-headed titmouse of western North America
Australian magpie
black-and-white oscine birds that resemble magpies
Australian sea lion
a variety of sea lion found in Australia
Australian stilt
long-legged three-toed wading bird of brackish marshes of Australia
Australian terrier
small greyish wire-haired breed of terrier from Australia similar to the cairn
Australian turtledove
small Australian dove
any of several extinct humanlike bipedal primates with relatively small brains of the genus Australopithecus; from 1 to 4 million years ago
Australopithecus afarensis
fossils found in Ethiopia; from 3.5 to 4 million years ago
Australopithecus africanus
gracile hominid of southern Africa; from about 3 million years ago
Australopithecus boisei
large-toothed hominid of eastern Africa; from 1 to 2 million years ago
Australopithecus robustus
large-toothed hominid of southern Africa; from 1.5 to 2 million years ago; formerly Paranthropus
Automeris io
large yellow American moth having a large eyelike spot on each hind wing; the larvae have stinging spines
Avahi laniger
nocturnal indris with thick grey-brown fur and a long tail
long-legged web-footed black-and-white shorebird with slender upward-curving bill
hardy breed of dairy cattle from Ayr, Scotland
Aythya affinis
common scaup of North America; males have purplish heads
Aythya americana
North American diving duck with a grey-and-black body and reddish-brown head
Aythya ferina
heavy-bodied Old World diving duck having a grey-and-black body and reddish head
Aythya marila
large scaup of North America having a greenish iridescence on the head of the male
Aythya valisineria
North American wild duck valued for sport and food
child's word for a sheep or lamb
any of various insectivorous Old World birds with a loud incessant song; in some classifications considered members of the family Muscicapidae
large terrestrial monkeys having doglike muzzles
an unborn child; a human fetus
a very young mammal
baby bird
young bird not yet fledged
Babyrousa Babyrussa
Indonesian wild pig with enormous curved canine teeth
sturdy carnivorous burrowing mammal with strong claws; widely distributed in the northern hemisphere
badger dog
small long-bodied short-legged German breed of dog having a short sleek coat and long drooping ears; suited for following game into burrows
Baiomys taylori
very small dark greyish brown mouse resembling a house mouse; of Texas and Mexico
Bairdiella chrysoura
small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico
Balaena mysticetus
large-mouthed Arctic whale
Balaeniceps rex
large stork-like bird of the valley of the White Nile with a broad bill suggesting a wooden shoe
Balaenoptera acutorostrata
small finback of coastal waters of Atlantic and Pacific
Balaenoptera borealis
similar to but smaller than the finback whale
Balaenoptera musculus
largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere
Balaenoptera physalus
large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific
Balanus balanoides
barnacle that attaches to rocks especially in intertidal zones
baleen whale
whale with plates of whalebone along the upper jaw for filtering plankton from the water
Balistes vetula
tropical Atlantic fish
banana quit
any of several honeycreepers
banded gecko
any of several geckos with dark bands across the body and differing from typical geckos in having movable eyelids; of United States southwest and Florida Gulf Coast
any of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous
bandicoot rat
burrowing scaly-tailed rat of India and Ceylon
a horse bred for racing
Bankia setaceae
giant shipworm of the Pacific coast of North America
any of various small breeds of fowl
small brightly colored stout-billed tropical bird having short weak wings
bark beetle
small beetle that bores tunnels in the bark and wood of trees; related to weevils
bark louse
any of several insects living on the bark of plants
informal terms for dogs
barking deer
small Asian deer with small antlers and a cry like a bark
marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
a dinosaur that could grow to be as tall as a building five stories tall
a large marine food fish common on the coasts of Australia, New Zealand, and southern Africa
any voracious marine fish of the genus Sphyraena having an elongated cylindrical body and large mouth with projecting lower jaw and long strong teeth
Bartramian sandpiper
large plover-like sandpiper of North American fields and uplands
small smooth-haired breed of African origin having a tightly curled tail and the inability to bark
small crested arboreal lizard able to run on its hind legs; of tropical America
basket fish
any starfish-like animal of the genera Euryale or Astrophyton or Gorgonocephalus having slender complexly branched interlacing arms radiating from a central disc
nontechnical name for any of numerous edible marine and freshwater spiny-finned fishes
Bassariscus astutus
raccoon-like omnivorous mammal of Mexico and the southwestern United States having a long bushy tail with black and white rings
smooth-haired breed of hound with short legs and long ears
nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
bottom-dweller of warm western Atlantic coastal waters having a flattened scaleless body that crawls about on fleshy pectoral and pelvic fins
a horse of a moderate reddish-brown color
beach flea
small amphipod crustaceans that hop like fleas; common on ocean beaches
a small short-legged smooth-coated breed of hound
beaked whale
any of several whales inhabiting all oceans and having beaklike jaws with vestigial teeth in the upper jaw
massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws
bear cub
a young bear
beard worm
slender animal with tentacles and a tubelike outer covering; lives on the deep ocean bottom
beast of burden
an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work
large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
beaver rat
amphibious rat of Australia and New Guinea
Bedlington terrier
a light terrier groomed to resemble a lamb
any of numerous hairy-bodied insects including social and solitary species
bee beetle
European beetle; infests beehives
bee eater
colorful chiefly tropical Old World bird having a strong graceful flight; feeds on especially bees
bee fly
hairy nectar-eating fly that resembles a bee; larvae are parasitic on larvae of bees and related insects
bee killer
swift predatory fly having a strong body like a bee with the proboscis hardened for sucking juices of other insects captured on the wing
cattle that are reared for their meat
hardy breed of cattle resulting from crossing domestic cattle with the American buffalo; yields leaner beef than conventional breeds
insect having biting mouthparts and front wings modified to form horny covers overlying the membranous rear wings
Belgian hare
red breed of domestic rabbits; hybrid between Old World rabbit and hare
Belgian shepherd
hardy working dog developed in Belgium for herding sheep
bell magpie
bluish black fruit-eating bird with a bell-like call
any of several tropical American birds of the genus Procnias having a bell-like call
bellows fish
small bottom-dwelling fish of warm seas having a compressed body and a long snout with a toothless mouth
sheep that leads the herd often wearing a bell
Bemisia tabaci
a strain of pest accidentally imported into Florida from the Middle East then spread to California where it is a very serious pest feeding on almost all vegetable crops and poinsettias
Bengal tiger
southern short-haired tiger
Bernese mountain dog
large powerful long-haired black-coated Swiss dog with deep tan or russet markings on legs and white blaze and feet and chest marking; formerly used for draft
delicately iridescent thimble-shaped ctenophores
short-nosed rat kangaroo
Bibos frontalis
ox of southeast Asia sometimes considered a domesticated breed of the gaur
Bibos gaurus
wild ox of mountainous areas of eastern India
young bird especially of domestic fowl
adult female chicken
big bedbug
large bloodsucking bug
big cat
any of several large cats typically able to roar and living in the wild
big game
large animals that are hunted for sport
red fishes of American coastal tropical waters having very large eyes and rough scales
giant warm-water game fish having a prolonged and rounded toothless upper jaw
elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters
male goat
an animal with two feet
biplane flying fish
having both pectoral and pelvic fins enlarged
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
bird dog
a gun dog trained to locate or retrieve birds
bird louse
wingless insect with mouth parts adapted for biting; mostly parasitic on birds
bird of Jove
any of various large keen-sighted diurnal birds of prey noted for their broad wings and strong soaring flight
bird of Juno
very large terrestrial southeast Asian pheasant often raised as an ornamental bird
bird of Minerva
nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
bird of paradise
any of numerous brilliantly colored plumed birds of the New Guinea area
bird of passage
any bird that migrates seasonally
bird of prey
any of numerous carnivorous birds that hunt and kill other animals
bird-footed dinosaur
any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs
any of several large humped bovids having shaggy manes and large heads and short horns
Bison bonasus
European bison having a smaller and higher head than the North American bison
female of any member of the dog family
biting midge
minute two-winged insect that sucks the blood of mammals and birds and other insects
Bitis arietans
large African viper that inflates its body when alarmed
Bitis gabonica
large heavy-bodied brilliantly marked and extremely venomous west African viper
relatively small compact tawny-brown heron with nocturnal habits and a booming cry; found in marshes
marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
black bass
widely distributed and highly prized American freshwater game fishes (sunfish family)
black carpet beetle
a carpet beetle that is solid black in color
black cock
male black grouse
black fly
small blackish stout-bodied biting fly having aquatic larvae; sucks the blood of birds as well as humans and other mammals
black fox
red fox in the color phase when its pelt is mostly black
black grouse
grouse of which the male is bluish-black
black sheep
sheep with a black coat
black squirrel
fox squirrel or grey squirrel in the black color phase
black-and-tan coonhound
American breed of large powerful hound dogs used for hunting raccoons and other game
black-headed snake
small secretive ground-living snake; found from central United States to Argentina
Blackburnian warbler
black-and-white North American wood warbler having an orange-and-black head and throat
female salmon that has recently spawned
bladder worm
encysted saclike larva of the tapeworm
important marine food fishes
Blarina brevicauda
North American shrew with tail less than half its body length
the blastula of a placental mammal in which some differentiation of cells has occurred
early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
Blatta orientalis
dark brown cockroach originally from orient now nearly cosmopolitan in distribution
Blattella germanica
small light-brown cockroach brought to United States from Europe; a common household pest
Blenheim spaniel
red-and-white variety of English toy spaniel
elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins
Blennius pholis
European scaleless blenny
small usually scaleless fishes with comb-like teeth living about rocky shores; are territorial and live in holes between rocks
blind snake
wormlike burrowing snake of warm regions having vestigial eyes
any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions
Blissus leucopterus
small black-and-white insect that feeds on cereal grasses
blister beetle
beetle that produces a secretion that blisters the skin
blood clam
red-blooded clam
blood fluke
flatworms parasitic in the blood vessels of mammals
a breed of large powerful hound of European origin having very acute smell and used in tracking
carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
a segmented marine worm with bright red body; often used for bait
blow fly
large usually hairy metallic blue or green fly; lays eggs in carrion or dung or wounds
large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers
any of numerous small butterflies of the family Lycaenidae
blue cat
a large catfish of the Mississippi valley
blue fox
a variety of Arctic fox having a pale grey winter coat
blue point Siamese
Siamese cat having a bluish cream-colored body and dark grey points
blue point
small edible oyster typically from the southern shore of Long Island
diving ducks of North America having a bluish-grey bill
blue North American songbird
fruit-eating mostly brilliant blue songbird of the East Indies
a very fast American hound; white mottled with bluish grey
any of several chiefly tropical constrictors with vestigial hind limbs
an uncastrated male hog
fish with large eyes and long snouts
large hound used in hunting wild boars
boat bug
carnivorous aquatic bug having paddle-like hind legs
boatswain bird
mostly white web-footed tropical seabird often found far from land
a popular North American game bird; named for its call
any of various moth caterpillars that destroy cotton bolls
bombardier beetle
beetle that ejects audibly a pungent vapor when disturbed
Bombina bombina
toad of central and eastern Europe having red or orange patches mixed with black on its underside
moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk
Bombycilla cedrorun
widely distributed over temperate North America
Bombycilla garrulus
large waxwing of northern North America; similar to but larger than the cedar waxwing
Bombyx mori
stocky creamy-white Asiatic moth found almost entirely under human care; the source of most of the silk commerce
Bonasa umbellus
valued as a game bird in eastern United States and Canada
bone-headed dinosaur
bipedal herbivorous dinosaurs with bony crowns
any of various scombroid fishes intermediate in size and characteristics between mackerels and tunas
gull-like jaeger of northern seas
bony fish
any fish of the class Osteichthyes
small tropical gannet having a bright bill or bright feet or both
Border collie
developed in the area between Scotland and England usually having a black coat with white on the head and tip of tail used for herding both sheep and cattle
Border terrier
small rough-coated terrier of British origin
any of various insects or larvae or mollusks that bore into wood
Bos banteng
wild ox of the Malay Archipelago
Bos grunniens
large long-haired wild ox of Tibet often domesticated
Bos indicus
any of several breeds of Indian cattle; especially a large American heat and tick resistant greyish humped breed evolved in the Gulf States by interbreeding Indian cattle and now used chiefly for crossbreeding
Bos primigenius
large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle
Bos taurus
domesticated bovine animals as a group regardless of sex or age
Boselaphus tragocamelus
large Indian antelope; male is blue-grey with white markings; female is brownish with no horns
Boskop man
possible early Homo sapiens represented by a cranium found in the Transvaal; formerly considered a separate species
Boston terrier
small pug-faced American terrier breed having a smooth brindle or black coat with white markings
botfly larva; typically develops inside the body of a horse or sheep or human
Botaurus lentiginosus
a kind of bittern
Botaurus stellaris
a kind of bittern
stout-bodied hairy dipterous fly whose larvae are parasites on humans and other mammals
Bothrops atrops
large extremely venomous pit viper of Central America and South America
any of several dolphins with rounded forehead and well-developed beak; chiefly of northern Atlantic and Mediterranean
bottom fish
fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder)
bottom lurkers
a fish that lurks on the bottom of a body of water
a fish that lives and feeds on the bottom of a body of water
a scavenger that feeds low on the food chain
Bouviers des Flandres
rough-coated breed used originally in Belgium for herding and guarding cattle
hollow-horned ruminants
any of various members of the genus Bos
any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females
box tortoise
chiefly terrestrial turtle of North America; shell can be closed tightly
a breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in Germany
any of numerous small tropical fishes having body and head encased in bony plates
Brabancon griffon
a variety of Brussels griffon having a short smooth coat
marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide
typical crabs
bracketed blenny
small eellike fishes common in shallow waters of the northern Atlantic
Bradypus tridactylus
a sloth that has three long claws on each forefoot and each hindfoot
brain coral
massive reef-building coral having a convoluted and furrowed surface
Brama raii
deep-bodied sooty-black pelagic spiny-finned fish of the northern Atlantic and northern Pacific; valued for food
aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding
small dark geese that breed in the north and migrate southward
Branta bernicla
the best known variety of brant goose
Branta canadensis
common greyish-brown wild goose of North America with a loud, trumpeting call
Branta leucopsis
European goose smaller than the brant; breeds in the far north
Brazilian trumpeter
trumpeter of Brazil and Guiana; often kept to protect poultry in Brazil
any of various usually edible freshwater percoid fishes having compressed bodies and shiny scales; especially (but not exclusively) of the genus Lepomis
any of numerous marine percoid fishes especially (but not exclusively) of the family Sparidae
Brevoortia tyrannis
shad-like North American marine fishes used for fish meal and oil and fertilizer
old French breed of large strong usually black dogs having a long tail and long wavy and slightly stiff coat
small wingless insect with a long bristlelike tail
the young of a herring or sprat or similar fish
minute crustaceans forming food for right whales
Brittany spaniel
tall active short-tailed French breed of bird dog having a usually smooth orange- or liver-and-white coat
brittle star
an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
small birds of the Old World tropics having bright plumage and short wide bills
hardy coarse-haired sheep of central Asia; lambs are valued for their soft curly black fur
male red deer in its second year
small South American deer with unbranched antlers
an unbroken or imperfectly broken mustang
brood bitch
a bitch used for breeding
brood hen
a domestic hen ready to brood
a female horse used for breeding
Brosme brosme
large edible marine fish of northern coastal waters; related to cod
deep-sea fishes
brown bat
any of numerous medium to small insectivorous bats found worldwide in caves and trees and buildings
brown bullhead
freshwater catfish of eastern United States
brown lacewing
small dark-colored lacewing fly
Brown Swiss
large hardy brown breed of dairy cattle from Switzerland
Bruchus pisorum
larvae live in and feed on seeds of the pea plant
a conventional name for a bear used in tales following usage in the old epic `Reynard the Fox'
brush kangaroo
any of various small or medium-sized kangaroos; often brightly colored
brush-footed butterfly
medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
brush-tail porcupine
porcupine with a tuft of large beaded bristles on the tail
Brussels griffon
breed of various very small compact wiry-coated dogs of Belgian origin having a short bearded muzzle
sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
Bubalus bubalis
an Asian buffalo that is often domesticated for use as a draft animal
Bubalus mindorensis
small buffalo of Mindoro in the Philippines
bubble shell
marine gastropod mollusk having a very small thin shell
Bubo virginianus
brown North American horned owl
Bubulcus ibis
small white egret widely distributed in warm regions often found around grazing animals
Bucephala islandica
North American goldeneye diving duck
Bucephela albeola
small North American diving duck; males have bushy head plumage
Bucephela clangula
large-headed swift-flying diving duck of Arctic regions
mature male of various mammals (especially deer or antelope)
bucking bronco
a wild horse that is vicious and difficult or impossible to break in
horse of a light yellowish dun color with dark mane and tail
Budorcas taxicolor
large heavily built goat antelope of eastern Himalayan area
buffalo fish
any of several large suckers of the Mississippi valley
any toad of the genus Bufo
Bufo americanus
common toad of America
Bufo boreas
of a great variety of habitats from southern Alaska to Baja California west of the Rockies
Bufo calamita
common brownish-yellow short-legged toad of western Europe; runs rather than hops
Bufo marinus
largest known toad species; native to Central America; valuable destroyer of insect pests
Bufo microscaphus
a uniformly warty stocky toad of washes and streams of semiarid southwestern United States
Bufo speciosus
nocturnal burrowing toad of mesquite woodland and prairies of the United States southwest
general term for any insect or similar creeping or crawling invertebrate
insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
nightingale spoken of in Persian poetry
mature male of various mammals of which the female is called `cow'; e.g. whales or elephants or especially cattle
uncastrated adult male of domestic cattle
bull mastiff
large powerful breed developed by crossing the bulldog and the mastiff
bull snake
any of several large harmless rodent-eating North American burrowing snakes
bull terrier
a powerful short-haired terrier originated in England by crossing the bulldog with terriers
mainly nocturnal North American goatsucker
bulldog ant
any of the large fierce Australian ants of the genus Myrmecia
freshwater sculpin with a large flattened bony-plated head with hornlike spines
any of several common freshwater catfishes of the United States
young bull
castrated bull
robust hairy social bee of temperate regions
Bungarus fasciatus
sluggish krait banded with black and yellow
(usually informal) especially a young rabbit
any of numerous seed-eating songbirds of Europe or North America
Burchell's zebra
of the plains of central and eastern Africa
Burhinus oedicnemus
large-headed large-eyed crepuscular or nocturnal shorebird of the Old World and tropical America having a thickened knee joint
Burmeisteria retusa
of southern South America
Burmese cat
a short-haired breed with body similar to the Siamese cat but having a solid dark brown or grey coat
any of several fishes having rigid flattened spines
small donkey used as a pack animal
bush baby
agile long-tailed nocturnal African lemur with dense woolly fur and large eyes and ears
bush shrike
an African shrike
bush tit
active grey titmice of western North America
large heavy-bodied chiefly terrestrial game bird capable of powerful swift flight; classified with wading birds but frequents grassy steppes
bustard quail
small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains
shrikes that impale their prey on thorns
large carnivorous Australian bird with the shrike-like habit of impaling prey on thorns
Buteo buteo
the common European short-winged hawk
Buteo jamaicensis
dark brown American hawk species having a reddish-brown tail
Buteo lagopus
large hawk of the northern hemisphere that feeds chiefly on small rodents and is beneficial to farmers
Buteo lineatus
North American hawk with reddish brown shoulders
any hawk of the genus Buteo
small marine fish with a short compressed body and feeble spines
diurnal insect typically having a slender body with knobbed antennae and broad colorful wings
butterfly fish
small usually brilliantly colored tropical marine fishes having narrow deep bodies with large broad fins; found worldwide
butterfly ray
a stingray with a short tail and a broad fin
tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins
unwanted marine creatures that are caught in the nets while fishing for another species
Cabassous unicinctus
naked-tailed armadillo of tropical South America
cabbage butterfly
white butterfly whose larvae (cabbageworms) feed on cabbage
black-and-red or black-and-yellow orioles of the American tropics
a hen that has just laid an egg and emits a shrill squawk
cactus wren
large harsh-voiced American wren of arid regions of the United States southwest and Mexico
caddice fly
small moth-like insect having two pairs of hairy membranous wings and aquatic larvae
larva of the caddis fly; constructs a case of silk covered with sand or plant debris
Cadra cautella
a moth whose larvae feed on and mat together with webbing various stored products of vegetable origin
Cadra figulilella
moth whose larvae attack dried fruits and cereal products
caiman lizard
crocodile-like lizard of South America having powerful jaws for crushing snails and mussels
Caiman sclerops
caiman with bony ridges about the eyes; found from southern Mexico to Argentina
a semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly
Cairina moschata
large crested wild duck of Central America and South America; widely domesticated
small rough-haired breed of terrier from Scotland
Calamus penna
from Florida and Bahamas to Brazil
young of domestic cattle
young of various large placental mammals e.g. whale or giraffe or elephant or buffalo
calico cat
a cat having black and cream-colored and yellowish markings
Calidris canutus
a sandpiper that breeds in the Arctic and winters in the southern hemisphere
Calidris Ferruginea
Old World sandpiper with a curved bill like a curlew
Calidris melanotos
American sandpiper that inflates its chest when courting
California newt
newt that is similar to Taricha granulosa in characteristics and habitat
Callimorpha jacobeae
large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort
Callinectes sapidus
bluish edible crab of Atlantic and Gulf Coasts of North America
Calliphora vicina
blowfly with iridescent blue body; makes a loud buzzing noise in flight
Callisaurus draconoides
swift lizard with long black-banded tail and long legs; of deserts of United States and Mexico
Callorhinus ursinus
of Pacific coast from Alaska southward to California
any beetle of the genus Calosoma
Calosoma scrutator
large metallic blue-green beetle that preys on caterpillars; found in North America
cud-chewing mammal used as a draft or saddle animal in desert regions
Camelus bactrianus
two-humped camel of the cold deserts of central Asia
Camelus dromedarius
one-humped camel of the hot deserts of northern Africa and southwestern Asia
Campephilus principalis
large black-and-white woodpecker of southern United States and Cuba having an ivory bill; nearly extinct
Canachites canadensis
North American grouse that feeds on evergreen buds and needles
any of several small Old World finches
Cancer borealis
large red deep-water crab of the eastern coast of North America
Cancer irroratus
crab of eastern coast of North America
Cancer magister
small edible crab of Pacific coast of North America
any of various fissiped mammals with nonretractile claws and typically long muzzles
Canis aureus
Old World nocturnal canine mammal closely related to the dog; smaller than a wolf; sometimes hunts in a pack but usually singly or as a member of a pair
Canis dingo
wolflike yellowish-brown wild dog of Australia
Canis familiaris
a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds
Canis latrans
small wolf native to western North America
Canis lupus
a wolf with a brindled grey coat living in forested northern regions of North America
Canis lupus tundrarum
wolf of Arctic North America having white fur and a black-tipped tail
Canis rufus
reddish-grey wolf of southwestern North America
green caterpillar of a geometrid moth; pest of various fruit and shade trees
very small northern fish; forage for sea birds and marine mammals and other fishes
castrated male chicken
Capra aegagrus
wild goat of Iran and adjacent regions
Capra falconeri
large Himalayan goat with large spiraled horns
Capra hircus
any of various breeds of goat raised for milk or meat or wool
Capra ibex
wild goat of mountain areas of Eurasia and northern Africa having large recurved horns
Capreolus capreolus
small graceful deer of Eurasian woodlands having small forked antlers
mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects
caprimulgiform bird
long-winged nonpasserine birds
Caprimulgus carolinensis
large whippoorwill-like bird of the southern United States
Caprimulgus europaeus
Old World goatsucker
Caprimulgus vociferus
American nocturnal goatsucker with grey-and-white plumage
caprine animal
any of numerous agile ruminants related to sheep but having a beard and straight horns
Capros aper
fish with a projecting snout
a variety of leaf bug
an animal that is confined
water buffalo of the Philippines
carabid beetle
predacious shining black or metallic terrestrial beetle that destroys many injurious insects
any of various long-legged carrion-eating hawks of South America and Central America
a percoid fish of the family Carangidae
Caranx bartholomaei
fish of western Atlantic and Gulf of Mexico
Caranx crysos
fish of western Atlantic: Cape Cod to Brazil
Caranx hippos
fish of western Atlantic and Gulf of Mexico
Carassius auratus
small golden or orange-red freshwater fishes of Eurasia used as pond or aquarium fishes
Carassius carassius
European carp closely resembling wild goldfish
Carcharhinus leucas
a most common shark in temperate and tropical coastal waters worldwide; heavy-bodied and dangerous
Carcharhinus limbatus
widely distributed shallow-water shark with fins seemingly dipped in ink
Carcharhinus obscurus
relatively slender blue-grey shark; nearly worldwide in tropical and temperate waters
Carcharhinus plumbeus
most common grey shark along coasts of middle Atlantic states; sluggish and occasionally caught by fishermen
Carcharinus longimanus
large deep-water shark with white-tipped dorsal fin; worldwide distribution; most dangerous shark
Carcharodon carcharias
large aggressive shark widespread in warm seas; known to attack humans
Cardigan Welsh corgi
slightly bowlegged variety of corgi having rounded ears and a long tail
small red fishes of coral reefs and inshore tropical waters
Cardium edule
common edible European cockle
Carduelis cannabina
small Old World finch whose male has a red breast and forehead
Carduelis carduelis
small European finch having a crimson face and yellow-and-black wings
Carduelis cucullata
South American species of scarlet finch with black head and wings and tail
Carduelis flammea
small siskin-like finch with a red crown and a rosy breast and rump
Carduelis hornemanni
small siskin-like finch with a red crown
Carduelis spinus
small yellow-and-black Eurasian finch with a sharp beak
Caretta caretta
very large carnivorous sea turtle; wide-ranging in warm open seas
Cariama cristata
Brazilian Cariama; sole representative of the genus Cariama
small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals
birds having keeled breastbones for attachment of flight muscles
Carniolan bee
greyish highly productive European honeybee that has a quiet disposition
any animal that feeds on flesh
a terrestrial or aquatic flesh-eating mammal
carnivorous bat
typically having large ears and feeding primarily on insects; worldwide in distribution
large carnivorous bipedal dinosaur having huge claws
any of various freshwater fish of the family Cyprinidae
carpenter ant
ant that nests in decaying wood in which it bores tunnels for depositing eggs
carpenter bee
large solitary bee that lays eggs in tunnels bored into wood or plant stems
carpet beetle
small beetle whose larvae are household pests feeding on woolen fabrics
Carphophis amoenus
small reddish wormlike snake of eastern United States
Carpocapsa pomonella
a small grey moth whose larvae live in apples and English walnuts
Carpodacus mexicanus
small finch originally of the western United States and Mexico
Carpodacus purpureus
North American finch having a raspberry-red head and breast and rump
carriage dog
a large breed having a smooth white coat with black or brown spots; originated in Dalmatia
carrier pigeon
a homing pigeon used to carry messages
cart horse
draft horse kept for pulling carts
cartilaginous fish
fishes in which the skeleton may be calcified but not ossified
insect larva that constructs a protective case around its body
Cashmere goat
Himalayan goat having a silky undercoat highly prized as cashmere wool
Casmerodius albus
widely distributed Old World white egret
large black flightless bird of Australia and New Guinea having a horny head crest
Castor canadensis
a variety of beaver found in almost all areas of North America except Florida
cat shark
small bottom-dwelling sharks with cat-like eyes; found along continental slopes
feline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
short-tailed wildcats with usually tufted ears; valued for their fur
a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
any of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth
large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins
Catharacta skua
large brown skua of the northern Atlantic
Cathartes aura
a New World vulture that is common in South America and Central America and the southern United States
Catocala nupta
moth having dull forewings and red-marked hind wings
Catoptrophorus semipalmatus
large North American shorebird of eastern and Gulf Coasts
a cypriniform fish of the family Catostomidae
amphibians that resemble lizards
cavalry horse
horse trained for battle
Cavia cobaya
stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
Cavia porcellus
South American cavy; possibly ancestral to the domestic guinea pig
short-tailed rough-haired South American rodent
Cebuella pygmaea
the smallest monkey; of tropical forests of the Amazon
Cebus capucinus
monkey of Central America and South America having thick hair on the head that resembles a monk's cowl
chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being modified as prehensors
small carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappies; black bass; bluegills; pumpkinseed
Centrocercus urophasianus
large grouse of sagebrush regions of North America
Centropistes striata
bluish black-striped sea bass of the Atlantic coast of the United States
Centropristis philadelphica
a kind of sea bass
Centropus phasianinus
Australian bird with a tail like a pheasant
Centropus sinensis
common coucal of India and China
extinct jawless fish of the Devonian with armored head
fish-like animals having a notochord rather than a true spinal column
marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
Cephalopterus ornatus
black tropical American bird having a large overhanging crest and long feathered wattle
Cepphus columba
northern Pacific guillemot
Cepphus grylle
northern Atlantic guillemot
Cerapteryx graminis
European moth with white antler-like markings on the forewings; the larvae damage pastures and grasslands
Cerastes cornutus
highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
extinct lungfish
any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia
primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America
Ceratotherium simum
large light-grey African rhinoceros having two horns; endangered; sometimes placed in genus Diceros
tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage
Cercopithecus aethiops
white and olive green East African monkey with long white tufts of hair beside the face
Cercopithecus aethiops pygerythrus
South African monkey with black face and hands
Cercopithecus aethiops sabaeus
common savannah monkey with greenish-grey back and yellow tail
Cercopithecus talapoin
smallest guenon monkey; of swampy central and west African forests
Certhia americana
a common creeper in North America with a down-curved bill
Certhia familiaris
common European brown-and-buff tree creeper with down-curved bill
distinguished from Bovidae by the male's having solid deciduous antlers
Cervus elaphus
common deer of temperate Europe and Asia
Cervus elaphus canadensis
large North American deer with large much-branched antlers in the male
Cervus unicolor
a deer of southern Asia with antlers that have three tines
Ceryle alcyon
greyish-blue North American kingfisher with a chestnut band on its chest
ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates
Cetonia aurata
a common metallic green European beetle: larvae feed on plant roots and adults on leaves and flowers of e.g. roses
Cetorhinus maximus
large harmless plankton-eating northern shark; often swims slowly or floats at the sea surface
slender arboreal guan resembling a wild turkey; native to Central America and Mexico; highly regarded as game birds
Chaenopsis ocellata
found from Florida to Cuba
Chaetodipterus faber
deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters
any fish of the genus Chaetodon
any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects
chalcis fly
a variety of chalcid fly
Chamaea fasciata
small brown bird of California resembling a wren
Chamaeleo chamaeleon
a chameleon found in Africa
Chamaeleo oweni
a kind of chameleon
lizard of Africa and Madagascar able to change skin color and having a projectile tongue
chambered nautilus
cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
chameleon tree frog
a form of tree toad
any of several small trout-like fish of the genus Salvelinus
any freshwater fish of the family Characinidae
Charadrius melodus
small plover of eastern North America
Charadrius morinellus
rare plover of upland areas of Eurasia
Charadrius vociferus
American plover of inland waters and fields having a distinctive cry
formerly a strong swift horse ridden into battle
Charina bottae
boa of grasslands and woodlands of western North America; looks and feels like rubber with tail and head of similar shape
large white or cream-colored breed from France
Charronia flavigula
large yellow and black marten of southern China and Burma
Chateura pelagica
American swift that nests in e.g. unused chimneys
passerine bird of New World tropics
Chauna torquata
largest crested screamer; native to southern Brazil and Argentina
Chelifer cancroides
minute arachnid sometimes found in old papers
Chelonia mydas
large tropical turtle with greenish flesh used for turtle soup
a reptile of the order Chelonia
Chelydra serpentina
large-headed turtle with powerful hooked jaws found in or near water; prone to bite
Chen caerulescens
North American wild goose having dark plumage in summer but white in winter
a half-grown quahog
Chesapeake Bay retriever
American breed having a short thick oily coat ranging from brown to light tan
a dark golden-brown or reddish-brown horse
hardy hornless sheep of the Cheviot Hills noted for its short thick wool
very small hornless deer-like ruminant of tropical Asia and west Africa
Chiacoan peccary
a recently discovered large wild pig of Paraguay
any of various small grey-and-black songbirds of North America
chicken hawk
nontechnical term for any hawks said to prey on poultry
chicken snake
large North American snake
larval mite that sucks the blood of vertebrates including human beings causing intense irritation
an old breed of tiny short-haired dog with protruding eyes from Mexico held to antedate Aztec civilization
Chihuahuan spotted whiptail
having longitudinal stripes overlaid with light spots; upland lizard of United States southwest and Mexico
Chilomeniscus cinctus
a sand snake of southwestern United States; lives in fine to coarse sand or loamy soil in which it `swims'; banding resembles that of coral snakes
a deep-sea fish with a tapering body, smooth skin, and long threadlike tail
Chimaera monstrosa
large European chimaera
Chinchilla laniger
small rodent with soft pearly grey fur; native to the Andes but bred in captivity for fur
Chinese paddlefish
fish of larger rivers of China similar to the Mississippi paddlefish
a burrowing ground squirrel of western America and Asia; has cheek pouches and a light and dark stripe running down the body
primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
Chlamydera nuchalis
large bowerbird of northern Australia
Chlamydosaurus kingi
large arboreal insectivorous Australian lizard with a ruff of skin around the neck
Chlamyphorus truncatus
very small Argentine armadillo with pale silky hair and pink plates on head and neck
Chlorophoneus nigrifrons
a kind of bush shrike
Chlorura chlorura
towhee of the Rocky Mountains
Choeronycteris mexicana
small-eared Mexican bat with a long slender nose
Choloepus didactylus
relatively small fast-moving sloth with two long claws on each front foot
Choloepus hoffmanni
a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot
any animal of the phylum Chordata having a notochord or spinal column
Choriotis australis
popular Australian game bird
Chorizagrotis auxiliaris
larvae (of a noctuid moth) that travel in large groups and destroy grains and alfalfa in the midwestern states
chorus frog
any of several small North American frogs having a loud call
a European corvine bird of small or medium size with red legs and glossy black plumage
breed of medium-sized dogs with a thick coat and fluffy curled tails and distinctive blue-black tongues; believed to have originated in northern China
Chronoperates paradoxus
shrew-sized protomammal from the Alberta region of Canada; from about 55 million years ago (much more recent than other mammal-like reptiles)
pupa of a moth or butterfly enclosed in a cocoon
Chrysaora quinquecirrha
a type of jellyfish
Chrysemys picta
freshwater turtles having bright yellow and red markings; common in the eastern United States
Chrysolophus pictus
brightly colored crested pheasant of mountains of western and central Asia
brightly colored beetle that feeds on plant leaves; larvae infest roots and stems
Chrysophrys auratus
Australian food fish having a pinkish body with blue spots
Chrysophrys australis
important dark-colored edible food and game fish of Australia
pale green unpleasant-smelling lacewing fly having carnivorous larvae
Chunga burmeisteri
Argentinian Cariama
church mouse
a fictional mouse created by Lewis Carroll
stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone
freshwater fishes of tropical America and Africa and Asia similar to American sunfishes; some are food fishes; many small ones are popular in aquariums
Ciconia ciconia
the common stork of Europe; white with black wing feathers and a red bill
Ciconia nigra
Old World stork that is glossy black above and white below
Cimex lectularius
bug of temperate regions that infests especially beds and feeds on human blood
cinnamon bear
reddish-brown color phase of the American black bear
Circus Aeruginosus
Old World harrier frequenting marshy regions
Circus cyaneus
common harrier of North America and Europe; nests in marshes and open land
Cistothorus palustris
American wren that inhabits tall reed beds
Cistothorus platensis
small American wren inhabiting wet sedgy meadows
thoroughbred that won the triple crown in 1948
Citellus citellus
rather large central Eurasian ground squirrel
Citellus lateralis
common black-striped reddish-brown ground squirrel of western North America; resembles a large chipmunk
Citellus leucurus
small ground squirrel of western United States
Citellus variegatus
large grey ground squirrel of rocky areas of the southwestern United States
Citharichthys cornutus
a whiff found in waters from the Bahamas and northern Gulf of Mexico to Brazil
cat-like mammal typically secreting musk used in perfumes
Cladorhyncus leucocephalum
web-footed Australian stilt with reddish-brown pectoral markings
burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness
Clangula hyemalis
a common long-tailed sea duck of the northern parts of the United States
class Merostomata
used in some classifications; includes the orders Xiphosura and Eurypterida
large swift fly the female of which sucks blood of various animals
predacious on other insects; usually brightly colored or metallic
click beetle
able to right itself when on its back by flipping into the air with a clicking sound
climbing salamander
any of several North American salamanders adapted for climbing with well-developed limbs and long somewhat squared-off toes
very small (to 3 inches) flattened marine fish with a sucking disc on the abdomen for clinging to rocks etc.
mostly small blennioid fishes of coral reefs and seagrass beds
clothes moth
any of several small yellowish or buff-colored moths whose larvae eat organic matter e.g. woolens
a thickset spaniel with longish silky hair
Clupea harangus
commercially important food fish of northern waters of both Atlantic and Pacific
Clupea harengus harengus
important food fish; found in enormous shoals in the northern Atlantic
Clupea harengus pallasii
important food fish of the northern Pacific
Clupea sprattus
small herring processed like a sardine
any of numerous soft-finned schooling food fishes of shallow waters of northern seas
heavy feathered-legged breed of draft horse originally from Scotland
Clydesdale terrier
selectively bred small Skye terrier with erect ears and a long silky coat
Cnemidophorus sexlineatus
very swift lizard of eastern and central United States
Cnemidophorus tesselatus
markings are darker and more marked than in western whiptail; from southeastern Colorado to eastern Chihuahua
Cnemidophorus tigris
active lizard having a network of dusky dark markings; of semiarid areas from Oregon and Idaho to Baja California
Cnemidophorus velox
having distinct longitudinal stripes: of Colorado Plateau from Arizona to western Colorado
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
coach horse
strong draft horse for drawing coaches
coastal diving bird
gull family; skimmer family; jaeger family; auk family
adult male swan
stocky short-legged harness horse
venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood
coccid insect
scale insects and mealybugs
Coccothraustes coccothraustes
a common large finch of Eurasia
Coccus hesperidum
pest on citrus trees
Coccyzus erythropthalmus
North American cuckoo; builds a nest and rears its own young
Asian breed of large fowl with dense plumage and feathered legs
Cochlearius cochlearius
tropical American heron related to night herons
adult male bird
adult male chicken
white or light-colored crested parrot of the Australian region; often kept as cage birds
a young domestic cock; not older than one year
common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
any of numerous chiefly nocturnal insects; some are domestic pests
major food fish of Arctic and cold-temperate waters
young codfish
one of the oldest known dinosaurs; late Triassic; cannibalistic
Colaptes auratus
large flicker of eastern North America with a red neck and yellow undersurface to wings and tail
Colaptes caper collaris
western United States bird with red undersurface to wings and tail
Colaptes chrysoides
southwestern United States bird like the yellow-shafted flicker but lacking the red neck
Colinus virginianus
a favorite game bird of eastern and central United States
collared lizard
any of several robust long-tailed lizards with collars of two dark bands; of central and western United States and northern Mexico
any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water
a silky-coated sheepdog with a long ruff and long narrow head developed in Scotland
Collocalia inexpectata
swift of eastern Asia; produces the edible bird's nest
Colobus guereza
a colobus monkey with a reddish brown coat and white silky fringes down both sides of the body
arboreal monkey of western and central Africa with long silky fur and reduced thumbs
a young male horse under the age of four
Coluber constrictor
blackish racer of the eastern United States that grows to six feet
Coluber constrictor flaviventris
bluish-green blacksnake found from Ohio to Texas
Coluber hippocrepis
slender fast-moving Eurasian snake
mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leaps
Columba fasciata
wild pigeon of western North America; often mistaken for the now extinct passenger pigeon
Columba livia
pale grey Eurasian pigeon having black-striped wings from which most domestic species are descended
Columba palumbus
Eurasian pigeon with white patches on wings and neck
columbiform bird
a cosmopolitan order of land birds having small heads and short legs with four unwebbed toes
free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
comb jelly
biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb
comb-footed spider
spider having a comb-like row of bristles on each hind foot
common American shad
shad of Atlantic coast of North America; naturalized to Pacific coast
common eel
eels that live in fresh water as adults but return to sea to spawn; found in Europe and America; marketed both fresh and smoked
common European earwig
sometimes destructive to cultivated bulbs
common European jay
fawn-colored jay with black-and-white crest and blue-and-black wings
very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria
an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
any of various edible tropical marine gastropods of the genus Strombus having a brightly-colored spiral shell with large outer lip
the largest flying birds in the western hemisphere
Condylura cristata
amphibious mole of eastern North America having pink fleshy tentacles around the nose
Conepatus leuconotus
large naked-muzzled skunk with white back and tail; of southwestern North America and Mexico
any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes
small short-eared burrowing mammal of rocky uplands of Asia and western North America
any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food
large dark-colored scaleless marine eel found in temperate and tropical coastal waters; some used for food
small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
any of various large nonvenomous snakes that kill their prey by crushing it in its coils
Constrictor constrictor
very large boa of tropical America and West Indies
Contopus sordidulus
small flycatcher of western North America
Contopus virens
small olive-colored woodland flycatchers of eastern North America
Conuropsis carolinensis
extinct parakeet whose range extended far into the United States
any dog trained to hunt raccoons
any of several breeds of hound developed for hunting raccoons
slate-black slow-flying birds somewhat resembling ducks
minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish
any of various small butterflies of the family Lycaenidae having coppery wings
Coracias garrulus
common European blue-and-green roller with a reddish-brown back
coraciiform bird
chiefly short-legged arboreal nonpasserine birds that nest in holes
Coragyps atratus
American vulture smaller than the turkey buzzard
marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
Coregonus artedi
important food fish of cold deep lakes of North America
Coregonus clupeaformis
found in the Great Lakes and north to Alaska
a true bug
slender tropical fish with a long tubular snout and bony plates instead of scales
Cornish fowl
English breed of compact domestic fowl; raised primarily to crossbreed to produce roasters
corvine bird
birds of the crow family
Corvus brachyrhyncos
common crow of North America
Corvus corax
large black bird with a straight bill and long wedge-shaped tail
Corvus frugilegus
common gregarious Old World bird about the size and color of the American crow
Corvus monedula
common black-and-grey Eurasian bird noted for thievery
Corydalus cornutus
large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait
Coryphaena equisetis
a kind of dolphinfish
Coryphaena hippurus
the more common dolphinfish valued as food; about six feet long
duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet
large white South American bird intermediate in some respects between ducks and swans
Cosmocampus profundus
a fish 8 inches long; found from eastern Florida to western Caribbean
sheep with long wool originating in the Cotswold Hills
cotton stainer
a true bug: bug that damages and stains the lint of developing cotton
cotton strain
feeds primarily on cotton
common small rabbit of North America having greyish or brownish fur and a tail with a white underside; a host for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)
Coturnix coturnix
the typical Old World quail
Old World ground-living cuckoo having a long dagger-like hind claw
Count Fleet
thoroughbred that won the triple crown in 1943
swift-footed terrestrial plover-like bird of southern Asia and Africa; related to the pratincoles
a dog trained for coursing
mature female of mammals of which the male is called `bull'
cow pony
a light saddle horse trained for herding cattle
female of domestic cattle:
North American blackbird that follows cattle and lays eggs in other birds' nests
any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells
offspring of a coyote and a dog
decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
crab-eating opossum
South American opossum
crabeater seal
silvery grey Antarctic seal subsisting on crustaceans
any of several short-billed Old World rails
any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
large long-necked wading bird of marshes and plains in many parts of the world
crane fly
long-legged slender flies that resemble large mosquitoes but do not bite
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
small sunfishes of central United States rivers
small freshwater decapod crustacean that resembles a lobster
large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
any of various small insectivorous birds of the northern hemisphere that climb up a tree trunk supporting themselves on stiff tail feathers and their feet
an animal that creeps or crawls (such as worms or spiders or insects)
crested penguin
small penguin of the Falkland Islands and New Zealand
crested screamer
distinguished from the horned screamer by a feathery crest on the back of the head
crested swift
birds of southeast Asia and East Indies differing from true swifts in having upright crests and nesting in trees
Crex crex
common Eurasian rail that frequents grain fields
Cricetus cricetus
a variety of hamster common to Europe and Asia
leaping insect; male makes chirping noises by rubbing the forewings together
cricket frog
either of two frogs with a clicking call
primitive echinoderms having five or more feathery arms radiating from a central disk
a regional term for `creature' (especially for domestic animals)
extinct human of Upper Paleolithic in Europe
any of several fishes that make a croaking noise
Crocethia alba
small sandpiper that breeds in the Arctic and migrates southward along sandy coasts in most of world
large voracious aquatic reptile having a long snout with massive jaws and sharp teeth and a body covered with bony plates; of sluggish tropical waters
extant archosaurian reptile
Crocodylus niloticus
a dangerous crocodile widely distributed in Africa
Crocodylus porosus
estuarine crocodile of eastern Asia and Pacific islands
Crocuta crocuta
African hyena noted for its distinctive howl
any fish of the order Crossopterygii; most known only in fossil form
Crotalus adamanteus
large deadly rattlesnake with diamond-shaped markings
Crotalus cerastes
small pale-colored desert rattlesnake of southwestern United States; body moves in an s-shaped curve
Crotalus horridus atricaudatus
southern variety
Crotalus horridus horridus
widely distributed in rugged ground of eastern United States
Crotalus lepidus
mountain rock dweller of Mexico and most southern parts of United States southwest
Crotalus mitchellii
markings vary but usually harmonize with background; of southwestern Arizona and Baja California
Crotalus scutulatus
extremely dangerous; most common in areas of scattered scrubby growth; from Mojave Desert to western Texas and into Mexico
Crotalus tigris
having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
black birds having a raucous call
crow blackbird
long-tailed American blackbird having iridescent black plumage
an emaciated horse likely soon to become carrion and so attractive to crows
crucifix fish
sea catfish of the Caribbean area
any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
Cryptacanthodes maculatus
eellike Atlantic bottom fish with large almost vertical mouth
Cryptobranchus alleganiensis
large salamander of North American rivers and streams
Cryptoprocta ferox
largest carnivore of Madagascar; intermediate in some respects between cats and civets
Cryptotermes brevis
extremely destructive dry-wood termite of warm regions
Cryptotis parva
small brown shrew of grassy regions of eastern United States
Ctenocephalides canis
flea that attacks dogs and cats
Ctenocephalides felis
flea that breeds chiefly on cats and dogs and rats
the young of certain carnivorous mammals such as the bear or wolf or lion
any of numerous European and North American birds having pointed wings and a long tail
a bee that is parasitic in the nests of bumblebees
cuculiform bird
birds having zygodactyl feet (except for the touracos)
Culex pipiens
common house mosquito
Culex quinquefasciatus
widespread tropical mosquito that transmits filarial worms
Cuniculus paca
large burrowing rodent of South America and Central America; highly esteemed as food
Cuon alpinus
fierce wild dog of the forests of central and southeast Asia that hunts in packs
an inferior dog or one of mixed breed
large crested arboreal game bird of warm parts of the Americas having long legs and tails; highly esteemed as game and food
large migratory shorebirds of the sandpiper family; closely related to woodcocks but having a down-curved bill
curly-coated retriever
an English breed having a tightly curled black or liver-colored coat; retrieves game from land or water
Cursorius cursor
courser of desert and semidesert regions of the Old World
woolly-haired monkey-like arboreal marsupial of New Guinea and northern Australia
elongate compressed somewhat eel-shaped fishes
long-bodied marine fishes having a long whiplike scaleless body and sharp teeth; closely related to snake mackerel
ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
North American moth whose larvae feed on young plant stems cutting them off at the ground
Cyanocitta cristata
common jay of eastern North America; bright blue with grey breast
Cyclopes didactylus
squirrel-sized South American toothless anteater with long silky golden fur
minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
Cyclopterus lumpus
clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar
primitive aquatic vertebrate
a young swan
Cygnus atratus
large Australian swan having black plumage and a red bill
Cygnus buccinator
large pure white wild swan of western North America having a sonorous cry
Cygnus columbianus
swan that nests in tundra regions of the New and Old Worlds
Cygnus columbianus bewickii
Eurasian subspecies of tundra swan; smaller than the whooper
Cygnus columbianus columbianus
North American subspecies of tundra swan having a soft whistling note
Cygnus cygnus
common Old World swan noted for its whooping call
Cygnus olor
soundless Eurasian swan; commonly domesticated
cynipid gall wasp
small solitary wasp that produces galls on oaks and other plants
Cynocephalus variegatus
a variety of flying lemur
small carnivorous reptiles
Cynomys gunnisoni
tail is white tipped
Cynomys ludovicianus
tail is black tipped
Cynopterus sphinx
a variety of fruit eating bat
Cynoscion nebulosus
weakfish of southern Atlantic and Gulf Coasts of United States
Cynoscion regalis
food and game fish of North American coastal waters with a mouth from which hooks easily tear out
Cypraea moneta
cowrie whose shell is used for money in parts of the southern Pacific and in parts of Africa
Cypraea tigris
cowrie whose shell is used for ornament
soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales
cypriniform fish
a soft-finned fish of the order Cypriniformes
any member of the family Cyprinodontidae
Cyprinus carpio
large Old World freshwater bottom-feeding fish introduced into Europe from Asia; inhabits ponds and sluggish streams and often raised for food; introduced into United States where it has become a pest
Cystophora cristata
medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters
any of numerous shallow-water ducks that feed by upending and dabbling
Dacelo gigas
Australian kingfisher having a loud cackling cry
Dactylopius coccus
Mexican red scale insect that feeds on cacti; the source of a red dye
dairy cattle
cattle that are reared for their milk
female parent of an animal especially domestic livestock
Dama dama
small Eurasian deer
Damaliscus lunatus
a large South African antelope; considered the swiftest hoofed mammal
Damaraland mole rat
colonial mole rat of western Africa; similar to naked mole rat
small brilliantly colored tropical marine fishes of coral reefs
slender non-stinging insect similar to but smaller than the dragonfly but having wings folded when at rest
large tropical butterfly with degenerate forelegs and an unpleasant taste
Danaus plexippus
large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed
Dandie Dinmont terrier
a breed of small terrier with long wiry coat and drooping ears
minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
dark horse
a racehorse about which little is known
darkling beetle
sluggish hard-bodied black terrestrial weevil whose larvae feed on e.g. decaying plant material or grain
darning needle
slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.
a person or other animal that moves abruptly and rapidly
Dasyatis centroura
one of the largest stingrays; found from Cape Cod to Cape Hatteras
Dasyprocta aguti
agile long-legged rabbit-sized rodent of Central America and South America and the West Indies; valued as food
Dasypus novemcinctus
having nine hinged bands of bony plates; ranges from Texas to Paraguay
any of several more or less arboreal marsupials somewhat resembling martens
small carnivorous nocturnal marsupials of Australia and Tasmania
Dasyurus quoll
a variety of dasyure
Dasyurus viverrinus
carnivorous arboreal cat-like marsupials of Australia and Tasmania
Daubentonia madagascariensis
nocturnal lemur with long bony fingers and rodent-like incisor teeth closely related to the lemurs
dawn horse
earliest horse; extinct primitive dog-sized four-toed Eocene animal
slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
cephalopods having eight short tentacles plus two long ones
crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax
Decapterus macarellus
small silvery fish; Nova Scotia to Brazil
Decapterus punctatus
small fusiform fish of western Atlantic
an insect that strips the leaves from plants
lightly built medium-sized theropod with long limbs and neck
swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous
Delichon urbica
common small European martin that builds nests under the eaves of houses
Delphinapterus leucas
small northern whale that is white when adult
Delphinus delphis
black-and-white dolphin that leaps high out of the water
Dendroaspis augusticeps
a highly venomous southern African mamba dreaded because of its quickness and readiness to bite
Dendroctonus rufipennis
small beetle that likes to bore through the bark of spruce trees and eat the cambium which eventually kills the tree
Dendroica auduboni
common warbler of western North America
Dendroica coronata
similar to Audubon's warbler
Dendroica petechia
yellow-throated American wood warbler
Dendroica striate
North American warbler having a black-and-white head
Dendroica tigrina
North American wood warbler; olive green and yellow striped with black
Denisonia superba
venomous but sluggish reddish-brown snake of Australia
Dermacentor variabilis
common tick that can transmit Rocky Mountain spotted fever and tularemia
Dermatobia hominis
large tropical American fly; parasitic on humans and other mammals
Dermochelys coriacea
wide-ranging marine turtle with flexible leathery carapace; largest living turtle
Desmodus rotundus
mouse-sized bat of tropical Central America and South America having sharp incisor and canine teeth; feeds on the blood of birds and mammals
extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
bottom-living cephalopod having a soft oval body with eight long tentacles
red dual-purpose cattle of English origin
Dialeurodes citri
whitefly that attacks citrus trees
Diapheromera femorata
a variety of stick insect
reptile having a pair of openings in the skull behind each eye
cephalopods having two gills
salamanders found near cold streams throughout the year
Diceros bicornis
African rhino; in danger of extinction
small bird; adults talking to children sometimes use these words to refer to small birds
dictyopterous insect
cockroaches and mantids
a kind of therapsid
Didelphis marsupialis
omnivorous opossum of the eastern United States; noted for feigning death when in danger; esteemed as food in some areas; considered same species as the crab-eating opossum of South America
digger wasp
solitary wasp that digs nests in the soil and stocks them with paralyzed insects for the larvae
an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses
any of several small antelopes of eastern Africa of the genus Madoqua; the size of a large rabbit
carnivorous dinosaur of the Permian in North America having a crest or dorsal sail
a variety of dinocerate
an extinct ungulate
Dinornis giganteus
the largest moa; about 12 feet high
any of numerous extinct terrestrial reptiles of the Mesozoic era
Diodon holocanthus
similar to but smaller than porcupinefish
Diodon hystrix
spines become erect when the body is inflated; worldwide in warm waters
Diomedea exulans
very large albatross; white with wide black wings
Diomedea nigripes
a variety of albatross with black feet
Diphylla ecaudata
similar in size and habits to Desmodus rotundus; of tropical America including southern California and Texas
a huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America
Dipodomys phillipsii
any of various leaping rodents of desert regions of North America and Mexico; largest members of the family Heteromyidae
small stocky diving bird without webbed feet; frequents fast-flowing streams and feeds along the bottom
Dipsosaurus dorsalis
small long-tailed lizard of arid areas of southwestern United States and northwestern Mexico
insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing
large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
diving duck
any of various ducks of especially bays and estuaries that dive for their food
diving petrel
any of several small diving birds of southern hemisphere seas; somewhat resemble auks
a quiet plodding workhorse
Doberman pinscher
medium large breed of dog of German origin with a glossy black and tan coat; used as a watchdog
large brown aquatic larva of the dobsonfly; used as fishing bait
mature female of mammals of which the male is called `buck'
dog-day cicada
its distinctive song is heard during July and August
any of several small sharks
motherless calf in a range herd of cattle
Dolichonyx oryzivorus
migratory American songbird
Dolichotis patagonum
hare-like rodent of the pampas of Argentina
free-swimming oceanic tunicate with a barrel-shaped transparent body
any of various small toothed whales with a beaklike snout; larger than porpoises
large slender food and game fish widely distributed in warm seas (especially around Hawaii)
domestic animal
any of various animals that have been tamed and made fit for a human environment
domestic fowl
a domesticated gallinaceous bird thought to be descended from the red jungle fowl
domestic pigeon
domesticated pigeon raised for sport or food
American breed of chicken having barred grey plumage raised for meat and brown eggs
Donald Duck
a fictional duck created in animated film strips by Walt Disney
Old World dung beetle that flies with a droning sound
an English breed of large domestic fowl having five toes (the hind toe doubled)
small furry-tailed squirrel-like Old World rodent that becomes torpid in cold weather
marine fishes widely distributed in mid-waters and deep slope waters
any of numerous small pigeons
shorebird of the sandpiper family that resembles a snipe
downy woodpecker
small North American woodpecker with black and white plumage and a small bill
Dracunculus medinensis
parasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates
draft animal
an animal used for pulling heavy loads
draft horse
horse adapted for drawing heavy loads
any of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the body
small often brightly colored scaleless marine bottom-dwellers; found in tropical and warm temperate waters of Europe and America
adult male of a wild or domestic duck
Dreissena polymorpha
inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels
small (6 inches) tropical butterfishes found worldwide
larger butterfishes of the western Atlantic from the New York area to the northern Gulf of Mexico
a kind of maniraptor
Dromaius novaehollandiae
large Australian flightless bird similar to the ostrich but smaller
stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen
Drosophila melanogaster
small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance
small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
dry-wood termite
any of various termites that live in and feed on dry wood that is not connected with the soil
Drymarchon corais
large dark-blue nonvenomous snake that invades burrows; found in southern North America and Mexico
Drymarchon corais couperi
a variety of indigo snake
considered a possible ancestor to both anthropoid apes and humans
Dryopithecus Rudapithecus hungaricus
fossil hominoids from northern central Hungary; late Miocene
small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
duck-billed dinosaur
any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
young duck
Dugong dugon
sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate
Dumetella carolinensis
North American songbird whose call resembles a cat's mewing
horse of a dull brownish grey color
dung beetle
any of numerous beetles that roll balls of dung on which they feed and in which they lay eggs
in former classifications considered a suborder of Rodentia coextensive with the order Lagomorpha: gnawing animals
English breed of short-horned cattle
Dusicyon cancrivorus
wild dog of northern South America
dusky salamander
common North American salamander mottled with dull brown or greyish-black
dusky-footed wood rat
a wood rat with dusky feet
dwarf pocket rat
small silky-haired pouched rodent; similar to but smaller than kangaroo rats
Eacles imperialis
large American moth having yellow wings with purplish or brownish markings; larvae feed on e.g. maple and pine trees
eagle ray
powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays
a young eagle
eared seal
pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur
earless lizard
any of several slender lizards without external ear openings: of plains of western United States and Mexico
earless seal
any of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippers
any of numerous insects of the order Dermaptera having elongate bodies and slender many-jointed antennae and a pair of large pincers at the rear of the abdomen
Easter bunny
a rabbit that delivers Easter eggs
eastern kingbird
a kingbird that breeds in North America and winters in tropical America; distinguished by a white band on the tip of the tail
Echeneis naucrates
remoras found attached to sharks
Echidnophaga gallinacea
parasitic on especially the heads of chickens
tapeworms whose larvae are parasitic in humans and domestic animals
marine invertebrates with tube feet and five-part radially symmetrical bodies
Echinus esculentus
a sea urchin that can be eaten
Ectopistes migratorius
gregarious North American migratory pigeon now extinct
sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles
an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic
primitive terrestrial mammal with few if any teeth; of tropical Central America and South America
heavily armored and highly spiked dinosaur with semi-upright posture
duck-billed dinosaur from Canada found as a fossilized mummy with skin
voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins
eellike fishes found in subarctic coastal waters
marine eellike mostly bottom-dwelling fishes of northern seas
any of various small free-living plant-parasitic roundworms
a newt in its terrestrial stage of development
egg-laying mammal
the most primitive mammals comprising the only extant members of the subclass Prototheria
moth having nonfunctional mouthparts as adults; larvae feed on tree foliage and spin egg-shaped cocoons
any of various usually white herons having long plumes during breeding season
Egretta caerulea
small bluish-grey heron of the western hemisphere
Egretta garzetta
Old World egret
Egretta thula
small New World egret
Egyptian cat
a domestic cat of Egypt
Egyptian cobra
cobra used by the Pharaohs as a symbol of their power over life and death
duck of the northern hemisphere much valued for the fine soft down of the females
Eira barbara
long-tailed arboreal mustelid of Central America and South America
Elagatis bipinnulata
streamlined cigar-shaped jack; good game fish
either of two large African antelopes of the genus Taurotragus having short spirally twisted horns in both sexes
Elanoides forficatus
graceful North American black-and-white kite
Elanus leucurus
grey-and-white American kite of warm and tropical regions
Elaphe guttata
large harmless snake of southeastern United States; often on farms
Elaphe obsoleta
large harmless shiny black North American snake
Elaphurus davidianus
large Chinese deer surviving only in domesticated herds
any of numerous venomous fanged snakes of warmer parts of both hemispheres
any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
any of various widely distributed beetles
Electrophorus electric
eel-shaped freshwater fish of South America having electric organs in its body
five-toed pachyderm
elephant seal
either of two large northern Atlantic earless seals having snouts like trunks
Elops saurus
game fish resembling the tarpon but smaller
young eel
Emberiza aureola
common in Russia and Siberia
Emberiza citrinella
European bunting the male being bright yellow
Emberiza hortulana
brownish Old World bunting often eaten as a delicacy
Emberiza schoeniclus
European bunting inhabiting marshy areas
large richly colored butterfly
English bulldog
a sturdy thickset short-haired breed with a large head and strong undershot lower jaw; developed originally in England for bull baiting
English cocker spaniel
a small breed with wavy silky hair; originally developed in England
English foxhound
an English breed slightly larger than the American foxhounds originally used to hunt in packs
English lady crab
crab of the English coasts
English setter
an English breed having a plumed tail and a soft silky coat that is chiefly white
English springer spaniel
a breed having typically a black-and-white coat
English toy spaniel
British breed having a long silky coat and rounded head with a short upturned muzzle
Engraulis encrasicholus
esteemed for its flavor; usually preserved or used for sauces and relishes
Enhydra lutris
large marine otter of northern Pacific coasts having very thick dark brown fur
Enterobius vermicularis
small threadlike worm infesting human intestines and rectum especially in children
uncastrated adult male horse
the smallest of the Sennenhunde
any of various moss-like aquatic animals usually forming branching colonies; each polyp having a both mouth and anus within a closed ring of tentacles
a theropod dinosaur of the genus Eoraptor
anything short-lived, as an insect that lives only for a day in its winged form
short-lived insect
Ephestia elutella
small moth whose larvae feed on tobacco and other dried plant products
Ephippiorhynchus senegalensis
large black-and-white stork of tropical Africa; its red bill has a black band around the middle
Epilachna varivestis
introduced into the United States from Mexico; feeds on the foliage of the bean plant
Epinephelus adscensionis
found around rocky coasts or on reefs
Epinephelus fulvus
black-spotted usually dusky-colored fish with reddish fins
a fossil hagfish of the genus Eptatretus
Eptesicus fuscus
rather large North American brown bat; widely distributed
Eptesicus serotinus
common brown bat of Europe
Equetus lanceolatus
black-and-white drumfish with an erect elongated dorsal fin
Equetus pulcher
a kind of drumfish
hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck
Equus asinus
domestic beast of burden descended from the African wild ass; patient but stubborn
Equus caballus
solid-hoofed herbivorous quadruped domesticated since prehistoric times
Equus caballus gomelini
European wild horse extinct since the early 20th century
Equus caballus przewalskii
wild horse of central Asia that resembles an ass; now endangered
Equus grevyi
zebra with less continuous stripes
Equus hemionus
Asiatic wild ass
Equus hemionus hemionus
Mongolian wild ass
Equus kiang
wild ass of Tibet and Mongolia
Equus quagga
mammal of South Africa that resembled a zebra; extinct since late 19th century
Equus zebra zebra
narrow-striped nearly extinct zebra of southern Africa
Erethizon dorsatum
porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease
Eretmochelys imbricata
pugnacious tropical sea turtle with a hawk-like beak; source of food and the best tortoiseshell
Erignathus barbatus
medium-sized greyish to yellow seal with bristles each side of muzzle; of the Arctic Ocean
Erinaceus europeaeus
small nocturnal Old World mammal covered with both hair and protective spines
Eriosoma lanigerum
primarily a bark feeder on aerial parts and roots of apple and other trees
Erithacus rubecola
small Old World songbird with a reddish breast
Erithacus svecicus
songbird of northern Europe and Asia
Erolia alpina
small common sandpiper that breeds in northern or Arctic regions and winters in southern United States or Mediterranean regions
Erolia minutilla
smallest American sandpiper
Erythrocebus patas
reddish long-tailed monkey of west Africa
edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions
Eschrichtius robustus
medium-sized greyish-black whale of the northern Pacific
Eskimo dog
breed of heavy-coated Arctic sled dog
Esox americanus
small but gamy pickerel of Atlantic coastal states
Esox lucius
voracious piscivorous pike of waters of northern hemisphere
Esox masquinongy
large (60 to 80 pounds) sport fish of North America
Esox niger
common in quiet waters of eastern United States
Etropus rimosus
flounder found from North Carolina to Florida and the eastern Gulf of Mexico
Euarctos americanus
brown to black North American bear; smaller and less ferocious than the brown bear
Eucinostomus gula
silvery mojarra found along sandy shores of the western Atlantic
Euderma maculata
a large bat of the southwestern United States having spots and enormous ears
Eumeces callicephalus
frequents oak and pine habitats in rocky mountainous areas of United States southwest and Mexico
Eumeces skiltonianus
found in western North American grasslands and open woodlands
Eumetopias jubatus
largest sea lion; of the northern Pacific
Eunectes murinus
large arboreal boa of tropical South America
Euopean hoopoe
pinkish-brown hoopoe with black-and-white wings
Euphagus carilonus
North American blackbird whose bluish-black plumage is rusty-edged in the fall
Euphausia pacifica
food for jellyfish
Euphractus sexcinctus
Argentine armadillo with six movable bands and hairy underparts
Euproctis chrysorrhoea
white furry-bodied European moth with a yellow tail tuft
Euproctis phaeorrhoea
small brown and white European moth introduced into eastern United States; pest of various shade and fruit trees
Eurasian badger
a variety of badger native to Europe and Asia
Eurasian green toad
Eurasian toad with variable chiefly green coloring
Eurasian kingfisher
small kingfisher with greenish-blue and orange plumage
Eurasian otter
otter found in Europe and Asia
European black grouse
large northern European grouse that is black with a lyre-shaped tail
European blackbird
common black European thrush
European bream
European freshwater fish having a flattened body and silvery scales; of little value as food
European catfish
large elongated catfish of central and eastern Europe
European corn borer moth
native to Europe; in America the larvae bore into the stem and crown of corn and other plants
European cuckoo
common cuckoo of Europe having a distinctive two-note call; lays eggs in the nests of other birds
European fire salamander
a kind of European salamander
European house cricket
lives in human dwellings; naturalized in parts of America
European lemming
notable for mass migrations even into the sea where many drown
European magpie
a common magpie of Eurasia
European nuthatch
a kind of nuthatch
European sandpiper
a variety of sandpiper
European sole
highly valued as food
European spider crab
a large spider crab of Europe
European swift
common European bird with a shrieking call that nests chiefly about eaves of buildings or on cliffs
European toad
common toad of Europe
European tortoise
small land tortoise of southern Europe
European water ouzel
a water ouzel of Europe
European water shrew
widely distributed Old World water shrew
European wolf spider
large southern European spider once thought to be the cause of tarantism (uncontrollable bodily movement)
European wood mouse
nocturnal yellowish-brown mouse inhabiting woods and fields and gardens
large extinct scorpion-like arthropod considered related to horseshoe crabs
Eutamius sibiricus
terrestrial Siberian squirrel
mammals having a placenta; all mammals except monotremes and marsupials
Euthynnus pelamis
oceanic schooling tuna of considerable value in Pacific but less in Atlantic; reaches 75 pounds; very similar to if not the same as oceanic bonito
female sheep
horned sheep of Devon; valued for mutton
stocky breed of pony with a fawn-colored nose
an unfledged or nestling hawk
fairy shrimp
small freshwater branchiopod having a transparent body with many appendages; swims on its back
fairy swallow
fancy domestic pigeon having blue-and-white plumage and heavily muffed feet
Falco columbarius
small falcon of Europe and America having dark plumage with black-barred tail; used in falconry
Falco peregrinus
a widely distributed falcon formerly used in falconry
Falco rusticolus
large and rare Arctic falcon having white and dark color phases
Falco sparverius
small North American falcon
Falco subbuteo
small Old World falcon formerly trained and flown at small birds
Falco tinnunculus
small Old World falcon that hovers in the air against a wind
diurnal birds of prey having long pointed powerful wings adapted for swift flight
female falcon especially a female peregrine falcon
fall cankerworm
green or brown white-striped looper; larva of Alsophila pometaria
false saber-toothed tiger
North American cat of the Miocene and Pliocene; much earlier and less specialized than members of the genus Smiledon
false scorpion
small nonvenomous arachnid resembling a tailless scorpion
false vampire
any New or Old World carnivorous bat erroneously thought to suck blood but in fact feeding on insects
family Aegypiidae
in some classifications considered the family comprising the Old World vultures which are more often included in the family Accipitridae
family Mutillidae
a family of wasps
farm animal
any animals kept for use or profit
Fasciola hepatica
flatworm parasitic in liver and bile ducts of domestic animals and humans
Fasciolopsis buski
fluke that is parasitic on humans and swine; common in eastern Asia
a young deer
an animal being fattened or suitable for fattening
an animal that feeds on a particular source of food
a nervous belligerent little mongrel dog
any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws
Felis bengalensis
small spotted wildcat of southern Asia and Malaysia
Felis chaus
small Asiatic wildcat
Felis concolor
large American feline resembling a lion
Felis domesticus
any domesticated member of the genus Felis
Felis ocreata
widely distributed wildcat of Africa and Asia Minor
Felis pardalis
nocturnal wildcat of Central America and South America having a dark-spotted buff-brown coat
Felis serval
slender long-legged African wildcat having large untufted ears and tawny black-spotted coat
Felis silvestris
bushy-tailed wildcat of Europe that resembles the domestic cat and is regarded as the ancestor of the domestic cat
Felis tigrina
medium-sized wildcat of Central America and South America having a dark-striped coat
Felis wiedi
small spotted wildcat found from Texas to Brazil
Felis yagouaroundi
long-bodied long-tailed tropical American wildcat
an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa)
female horse
female equine animal
female mammal
animals that nourish their young with milk
fence lizard
spiny lizard often seen basking on fences in the United States and northern Mexico
Fenusa pusilla
small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation
domesticated albino variety of the European polecat bred for hunting rats and rabbits
ferret badger
small ferret-like badger of southeast Asia
an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
fictional animal
animals that exist only in fiction (usually in children's stories)
fiddler crab
burrowing crab of American coastal regions having one claw much enlarged in the male
field mouse
any nocturnal Old World mouse of the genus Apodemus inhabiting woods and fields and gardens
field mouse
any of various small mouselike rodents of the family Cricetidae (especially of genus Microtus) having a stout short-tailed body and inconspicuous ears and inhabiting fields or meadows
field spaniel
large usually black hunting and retrieving spaniel with a dense flat or slightly wavy coat; cross between cocker and Sussex spaniel
greenish-yellow Australian oriole feeding chiefly on figs and other fruits
fighting cock
a cock bred and trained for fighting
slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects
narrow flattened warm-water fishes with leathery skin and a long file-like dorsal spine
a young female horse under the age of four
any of numerous small songbirds with short stout bills adapted for crushing seeds
a young or small fish
an animal that wins in a contest of speed
fire ant
omnivorous ant of tropical and subtropical America that can inflict a painful sting
a true bug: brightly colored bug that can exude a stain
nocturnal beetle common in warm regions having luminescent abdominal organs
any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills
fish duck
large crested fish-eating diving duck having a slender hooked bill with serrated edges
fish fly
similar to but smaller than the dobsonfly; larvae are used as fishing bait
fish louse
a kind of copepod
terrestrial carnivores; having toes separated to the base: dogs; cats; bears; badgers; raccoons
in some classifications considered a suborder of Carnivora
Fissurella apertura
marine limpet having a conical shell with an opening at the apex
large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes
flat-coated retriever
an English breed having a shiny black or liver-colored coat; retrieves game from land or water
any of several families of fishes having flattened bodies that swim along the sea floor on one side of the body with both eyes on the upper side
food fish of the Indonesian region of the Pacific; resembles gurnards
pallid bottom-dwelling flat-headed fish with large eyes and a duck-like snout
parasitic or free-living worms having a flattened body
any wingless bloodsucking parasitic insect noted for ability to leap
flea beetle
any small leaf beetle having enlarged hind legs and capable of jumping
young bird that has just fledged or become capable of flying
North American woodpecker
flightless bird
flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
Florida smoothhound
found from the northern Gulf of Mexico to Brazil
Florida water rat
of Florida wetlands
any of various European and non-European marine flatfish
flour beetle
an insect that infests flour and stored grains
parasitic flatworms having external suckers for attaching to a host
two-winged insects characterized by active flight
flycatching warbler
any of numerous American wood warblers that feed on insects caught on the wing
flying fish
tropical marine fishes having enlarged winglike fins used for brief gliding flight
flying fox
large bat with a head that resembles the head of a fox
flying mouse
tiny flying phalanger
flying opossum
nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body
flying reptile
an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
a young horse
food fish
any fish used for food by human beings
Formica fusca
an ant frequently enslaved
Formica rufa
reddish-brown European ant typically living in anthills in woodlands
Formica sanguinea
slave-making ant widely distributed over the northern hemisphere
Fossa fossa
civet of Madagascar
fossorial mammal
a burrowing mammal having limbs adapted for digging
alert carnivorous mammal with pointed muzzle and ears and a bushy tail; most are predators that do not hunt in packs
fox terrier
small lively black-and-white terriers formerly used to dig out foxes
medium-sized glossy-coated hounds developed for hunting foxes
Frankliniella fusca
injurious to growing tobacco and peanuts
Fratercula arctica
common puffin of the northern Atlantic
Fratercula corniculata
northern Pacific puffin
small swift insectivorous bat with leathery ears and a long tail; common in warm regions
French bulldog
small stocky version of the bulldog having a sleek coat and square head
freshwater bass
North American food and game fish
freshwater clam
bivalve mollusk abundant in rivers of central United States
frigate bird
long-billed warm-water seabird with wide wingspan and forked tail
Fringilla coelebs
small European finch with a cheerful song
Fringilla montifringilla
Eurasian finch
butterfly with brownish wings marked with black and silver
fish having a frog-like mouth with a lure on the snout
a variety of spittlebug
insectivorous bird of Australia and southeastern Asia having a wide frog-like mouth
fruit bat
large Old World bat of warm and tropical regions that feeds on fruit
fruit fly
any of numerous small insects whose larvae feed on fruits
Fulica americana
a coot found in North America
Fulmarus glacialis
heavy short-tailed oceanic bird of polar regions
Fundulus heteroclitus
silver-and-black killifish of saltwater marshes along the Atlantic coast of the United States
Fundulus majalis
black-barred fish of bays and coastal marshes of the Atlantic and Gulf Coast of the United States
fungus gnat
mosquito-like insect whose larvae feed on fungi or decaying vegetation
fungus gnat
minute blackish gregarious flies destructive to mushrooms and seedlings
fur seal
eared seal of the southern hemisphere; the thick soft underfur is the source of sealskin
fur seal
an eared seal of the northern Pacific
any of various large flies that annoy livestock
a soft-finned fish of the family Gadidae
Gadus macrocephalus
closely related to Atlantic cod
Gadus morhua
one of the world's most important commercial fishes
Galeocerdo cuvieri
large dangerous warm-water shark with striped or spotted body
Galeorhinus zyopterus
Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A)
Galictis vittatus
carnivore of Central America and South America resembling a weasel with a greyish-white back and dark underparts
gall gnat
fragile mosquito-like flies that produce galls on plants
Gallant Fox
thoroughbred that won the triple crown in 1930
Galleria mellonella
moth whose larvae live in and feed on bee honeycombs
any of various insects that deposit their eggs in plants causing galls in which the larvae feed
small Asiatic wild bird; believed to be ancestral to domestic fowl
heavy-bodied largely ground-feeding domestic or game birds
Gallinago gallinago
common snipe of Eurasia and Africa
Gallinago gallinago delicata
American snipe
Gallinago media
Old World snipe larger and darker than the whole snipe
Gallinula chloropus
black gallinule that inhabits ponds and lakes
Gallinula chloropus cachinnans
North American dark bluish-grey gallinule
any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens
breed of hardy black chiefly beef cattle native to Scotland
Gallus gallus
a jungle fowl of southeastern Asia that is considered ancestral to the domestic fowl
Gallus gallus
a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl
Gambusia affinis
silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control
animal hunted for food or sport
game bird
any bird (as grouse or pheasant) that is hunted for sport
game fish
any fish providing sport for the angler
game fowl
any of several breeds reared for cockfighting
mature male goose
large heavily built seabird with a long stout bill noted for its plunging dives for fish
primitive fishes having thick bony scales with a shiny covering
garden snail
any of several inedible snails of the genus Helix; often destructive pests
garter snake
any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
Gasterophilus intestinalis
parasitic chiefly on horses
Gasterosteus aculeatus
of rivers and coastal regions
Gasterosteus pungitius
confined to rivers
Gastrophryne carolinensis
small toad of southeastern United States
Gastrophryne olivacea
small secretive toad with smooth tough skin of central and western North America
a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes
double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
Gavialis gangeticus
large fish-eating Indian crocodilian with a long slender snout
gaviiform seabird
seabirds of the order Gaviiformes
Gazella subgutturosa
a kind of gazelle
small swift graceful antelope of Africa and Asia having lustrous eyes
any of various small chiefly tropical and usually nocturnal insectivorous terrestrial lizards typically with immovable eyelids; completely harmless
a word for horse used by children or in adult slang
castrated male horse
Gelechia gossypiella
larvae of a gelechiid moth introduced from Asia; feeds on the seeds of cotton bolls
Gelechia gossypiella
small brown moth whose larvae bore into flowers and bolls of cotton
small slender-winged moths whose larvae are agricultural pests
snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide
Gempylus serpens
predatory tropical fishes with jutting jaws and strong teeth
Genetta genetta
agile Old World viverrine having a spotted coat and long ringed tail
genus Acarus
any of several mites of the order Acarina
genus Argentinosaurus
enormous dinosaur of the middle Cretaceous found in Argentina
genus Cryptoprocta
large primitive cat-like carnivores inhabiting forests of Madagascar
genus Javanthropus
former genus of primitive man; now Homo soloensis: comprises Solo man
genus Paranthropus
former classification for Australopithecus robustus
genus Sinanthropus
genus to which Peking man was formerly assigned
genus Zinjanthropus
genus to which Australopithecus boisei was formerly assigned
Genyonemus lineatus
small silvery marine food fish found off California
Geococcyx californianus
speedy largely terrestrial bird found from California and Mexico to Texas
a large edible clam found burrowing deeply in sandy mud along the Pacific coast of North America; weighs up to six pounds; has siphons that can extend to several feet and cannot be withdrawn into the shell
slender-bodied broad-winged moth whose larvae are called measuring worms
Geomys bursarius
gopher of chiefly grasslands of central North America
Geomys pinetis
gopher of Alabama and Georgia and Florida
small Old World burrowing desert rodent with long soft pale fur and hind legs adapted for leaping
German bee
dark-colored ill-tempered honeybee supposedly of German origin
German shepherd dog
breed of large shepherd dogs used in police work and as a guide for the blind
German short-haired pointer
liver or liver-and-white hunting dog developed in Germany; 3/4 pointer and 1/4 bloodhound
Gerres cinereus
popular panfish from Bermuda and Gulf of Mexico to Brazil
Gerris lacustris
a variety of water strider
any creature of exceptional size
giant cockroach
large tropical American cockroaches
giant schnauzer
a large schnauzer
giant silkworm moth
any silkworm moth of the family Saturniidae
giant silkworm
larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
giant tortoise
very large tortoises of the Galapagos and Seychelles islands
giant water bug
large water bug with piercing and sucking mouthparts; feeds on young fishes
a castrated tomcat
Ginglymostoma cirratum
small bottom-dwelling shark of warm shallow waters on both coasts of North America and South America and from southeast Asia to Australia
Giraffa camelopardalis
tallest living quadruped; having a spotted coat and small horns and very long neck and legs; of savannahs of tropical Africa
Old World shorebird with long pointed wings and short legs; closely related to the coursers
glass lizard
snakelike lizard of Europe and Asia and North America with vestigial hind limbs and the ability to regenerate its long fragile tail
glass sponge
a siliceous sponge (with glassy spicules) of the class Hyalospongiae
Glaucomys sabrinus
large flying squirrel; chiefly of Canada
Glaucomys volans
small large-eyed nocturnal flying squirrel of eastern United States
Glis glis
large European dormouse
Globicephala melaena
small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school
bloodsucking African fly; transmits sleeping sickness etc.
Glossopsitta versicolor
lorikeet with a colorful coat
the luminous larva or wingless grub-like female of a firefly
any of various small biting flies: midges; biting midges; black flies; sand flies
(British usage) mosquito
very small North American and South American warblers
a vertebrate animal possessing true jaws
relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
gnawing mammal
relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing
large African antelope having a head with horns like an ox and a long tufted tail
goat antelope
bovid related to goats but having antelope-like features: mountain goats; gorals; serows; chamois; gnu goats
male turkey
Gobiesox strumosus
clingfish with typical skillet shape
Gobio gobio
small slender European freshwater fish often used as bait by anglers
small spiny-finned fish of coastal or brackish waters having a large head and elongated tapering body having the ventral fins modified as a sucker
large wading bird that resembles a curlew; has a long slightly upturned bill
golden mole
mole of southern Africa having iridescent guard hairs mixed with the underfur
golden plover
plovers of Europe and America having the backs marked with golden-yellow spots
golden retriever
an English breed having a long silky golden coat
a variety of green lacewing
extinct elephants of Central American and South America; of the Miocene and Pleistocene
Gonorhynchus gonorhynchus
fish of sandy areas of western Pacific and Indian oceans having an angular snout for burrowing into sand
web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks
any of various terrestrial burrowing rodents of Old and New Worlds; often destroy crops
burrowing rodent of the family Geomyidae having large external cheek pouches; of Central America and southwestern North America
Gopherus agassizii
burrowing tortoise of the arid western United States and northern Mexico; may be reclassified as a member of genus Xerobates
Gopherus polypemus
burrowing edible land tortoise of southeastern North America
Gordon setter
a Scottish breed with a black-and-tan coat
corals having a horny or calcareous branching skeleton
Gorilla gorilla
largest anthropoid ape; terrestrial and vegetarian; of forests of central west Africa
Gorilla gorilla beringei
gorilla of Kivu highlands
Gorilla gorilla gorilla
a kind of gorilla
Gorilla gorilla grauri
a kind of gorilla
young goose
small dull or metallic-colored tineoid moths whose larvae mine in plant leaves
Gracula religiosa
glossy black Asiatic starling often taught to mimic speech
a variety of cattle produced by crossbreeding with a superior breed
grain moth
moth whose larvae feed on grain
Grampus griseus
slaty-grey blunt-nosed dolphin common in northern seas
grass finch
usually brightly-colored Australian weaverbirds; often kept as cage birds
grass snake
either of two North American chiefly insectivorous snakes that are green in color
grasshopper mouse
insectivorous mouse of western North America
terrestrial plant-eating insect with hind legs adapted for leaping
gray hen
female black grouse
gray lemming
Old World lemming
gray mullet
freshwater or coastal food fishes a spindle-shaped body; found worldwide
horse of a light gray or whitish color
great ape
any of the large anthropoid apes of the family Pongidae
Great Dane
very large powerful smooth-coated breed of dog
Great Pyrenees
bred of large heavy-coated white dogs resembling the Newfoundland
Greater Swiss Mountain dog
the largest of the four Swiss breeds
small compact-bodied almost completely aquatic bird that builds floating nests; similar to loons but smaller and with lobate rather than webbed feet
green June beetle
large greenish June beetle of southern United States
green mamba
green phase of the black mamba
green peach aphid
yellowish green aphid that is especially destructive to peaches
green plover
large crested Old World plover having wattles and spurs
green snake
any of numerous African colubrid snakes
blowfly with brilliant coppery green body
bottom-dwellers having large eyes with metallic green luster
greenish aphid; pest on garden and crop plants
food fish of the northern Pacific
deep-sea fish with a large head and body and long tapering tail
a tall slender dog of an ancient breed noted for swiftness and keen sight; used as a racing dog
breed of medium-sized long-headed dogs with downy undercoat and harsh wiry outer coat; originated in Holland but largely developed in France
black-coated sheepdog with a heavily plumed tail
any of various finches of Europe or America having a massive and powerful bill
ground roller
Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms
ground sloth
gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America
huge herbivorous dinosaur of the Cretaceous found in western North America
usually solitary bottom sea basses of warm seas
popular game bird having a plump body and feathered legs and feet
a soft thick wormlike larva of certain beetles and other insects
medium-sized tropical marine food fishes that utter grunting sounds when caught
Grus americana
rare North American crane having black-and-white plumage and a trumpeting call
any of several large turkey-like game birds of the family Cracidae; native to jungles of tropical America; resembling the curassows and valued as food
guard dog
a dog trained to guard property
small slender African monkey having long hind limbs and tail and long hair around the face
breed of dairy cattle from the island of Guernsey
guide dog
a dog trained to guide the blind
small black or brown speckled auks of northern seas
guinea hen
female guinea fowl
primitive tropical bottom-dwelling ray with a guitar-shaped body
mostly white aquatic bird having long pointed wings and short legs
Gulo gulo
musteline mammal of northern Eurasia
Gulo luscus
stocky shaggy-coated North American carnivorous mammal
gun dog
a dog trained to work with sportsmen when they hunt with guns
bottom-dwelling coastal fishes with spiny armored heads and fingerlike pectoral fins used for crawling along the sea bottom
Gymnelis viridis
brightly colored scaleless Arctic eelpout
Gymnogyps californianus
North American condor; chiefly dull black; almost extinct
Gymnorhina tibicen
crow-sized black-and-white bird; a good mimic often caged
Gypaetus barbatus
the largest Eurasian bird of prey; having black feathers hanging around the bill
Gyps fulvus
large vulture of southern Europe and northern Africa having pale plumage with black wings
a saddle horse used for transportation rather than sport etc.
a horse kept for hire
an old or over-worked horse
a compact breed of harness horse
Haematobia irritans
small black European fly introduced into North America; sucks blood from cattle especially at the base of the horn
Haemulon album
a grunt with a red mouth that is found from Florida to Brazil
Haemulon aurolineatum
found off the West Indies and Florida
Haemulon macrostomum
a kind of grunt
Haemulon malanurum
of warm Atlantic waters
Haemulon parra
a grunt found from Florida to Brazil and Gulf of Mexico
eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
small butterflies having striped markings under the wings
any of several marine food fishes related to cod
tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw
Haliaeetus leucocephalus
a large eagle of North America that has a white head and dark wings and body
Haliaeetus leucorhyphus
of southeast Europe and central Asia
Haliatus albicilla
bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland
marine food fish of the northern Atlantic or northern Pacific; the largest flatfish and one of the largest teleost fishes
Halicoeres bivittatus
small wrasse of tropical Atlantic
Halicoeres radiatus
bluish and bronze wrasse; found from Florida keys to Brazil
Haliotis tuberculata
an abalone found near the Channel Islands
medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous
Hampshire down
British breed of hornless dark-faced domestic sheep
short-tailed Old World burrowing rodent with large cheek pouches
handsaw fish
a soft-finned fish of the genus Alepisaurus
hanging fly
any of various mecopterous insects of the family Bittacidae
hard tick
ticks having a hard shield on the back and mouth parts that project from the head
hard-shell crab
edible crab that has not recently molted and so has a hard shell
swift timid long-eared mammal larger than a rabbit having a divided upper lip and long hind legs; young born furred and with open eyes
hare wallaby
small Australian wallaby that resembles a hare and has persistent teeth
harness horse
horse used for pulling vehicles
harnessed antelope
any of several antelopes of the genus Tragelaphus having striped markings resembling a harness
Harpia harpyja
large black-and-white crested eagle of tropical America
any of various fruit bats of the genus Nyctimene distinguished by nostrils drawn out into diverging tubes
a hound that resembles a foxhound but is smaller; used to hunt rabbits
hawks that hunt over meadows and marshes and prey on small terrestrial animals
harrier eagle
any of numerous large Old World hawks intermediate in some respects between typical hawks and typical eagles
a male deer, especially an adult male red deer
a large African antelope with lyre-shaped horns that curve backward
any recently hatched animal (especially birds)
Hawaiian honeycreeper
small to medium-sized finches of the Hawaiian islands
diurnal bird of prey typically having short rounded wings and a long tail
hawk moth
any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed
a single domestic animal
among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters
hearing dog
dog trained to assist the deaf by signaling the occurrence of certain sounds
heart urchin
sea urchin having a heart-shaped body in a rigid spiny shell
relatively large rodents with sharp erectile bristles mingled with the fur
young cow
Heliothis zia
medium-sized moth whose larvae are corn earworms
Heliothis zia
larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops
Helix aspersa
serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan in distribution
Helix hortensis
a kind of garden snail
Helix pomatia
one of the chief edible snails
worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes
Heloderma suspectum
large orange and black lizard of southwestern United States; not dangerous unless molested
Hemachatus haemachatus
highly venomous snake of southern Africa able to spit venom up to seven feet
Hemigalus hardwickii
an East Indian civet
Hemipteronatus novacula
a kind of razor fish
Hemitripterus americanus
large sculpin of western Atlantic; inflates itself when caught
female of certain aquatic animals e.g. octopus or lobster
adult female bird
any animal that feeds chiefly on grass and other plants
hardy English breed of cattle raised extensively in United States
Hermissenda crassicornis
a kind of sea slug
hermit crab
small soft-bodied marine crustaceans living in cast-off shells of gastropods
grey or white wading bird with long neck and long legs and (usually) long bill
Herpestes ichneumon
northern African mongoose; in ancient times thought to devour crocodile eggs
a kind of theropod dinosaur found in Argentina
Hesperiphona vespertina
North American grosbeak
heteropterous insect
true bugs: insects whose forewings are membranous but have leathery tips
Heteroscelus incanus
tattler of Pacific coastal regions
extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
Hexagrammos decagrammus
common food and sport fish of western coast of North America
Hexanchus griseus
large primitive shark widely distributed in warm seas
an animal having six feet
high stepper
a horse trained to lift its feet high off the ground while walking or trotting
Himantopus himantopus
stilt of Europe and Africa and Asia having mostly white plumage but with black wings
Himantopus himantopus leucocephalus
stilt of the southwest Pacific including Australia and New Zealand having mostly white plumage but with black wings and nape of neck
Himantopus mexicanus
stilt of southwestern United States to northern South America having black plumage extending from the head down the back of the neck
Himantopus novae-zelandiae
blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt
Himantopus stilt
long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons
a female deer, especially an adult female red deer
any of several mostly spotted fishes that resemble groupers
hybrid offspring of a male horse and a female donkey or ass; usually sterile
Hippobosca equina
winged fly parasitic on horses
bloodsucking dipterous fly parasitic on birds and mammals
Hippodamia convergens
a variety of ladybug
Hippoglossoides platessoides
large American food fish
Hippoglossus hippoglossus
largest United States flatfish
Hippoglossus stenolepsis
a righteye flounder found in the Pacific
Hippopotamus amphibius
massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
Hippotragus niger
large black East African antelope with sharp backward-curving horns
Hipsurus caryi
Pacific coast fish
Hirudo medicinalis
large European freshwater leech formerly used for bloodletting
Hirundo nigricans
of Australia and Polynesia; nests in tree cavities
Hirundo pyrrhonota
North American swallow that lives in colonies and builds bottle-shaped mud nests on cliffs and walls
Hirundo rustica
common swallow of North America and Europe that nests in barns etc.
a sheep up to the age of one year; one yet to be sheared
hognose snake
harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed
Holocanthus tricolor
gold and black butterflyfish found from West Indies to Brazil
Holocentrus ascensionis
bright red fish of West Indies and Bermuda
Holocentrus bullisi
a squirrelfish found from South Carolina to Bermuda and Gulf of Mexico
Holocentrus coruscus
on reefs from Bermuda and Florida to northern South America
fish with high compressed head and a body tapering off into a long tail
insects that undergo complete metamorphosis
Holothuria edulis
of warm coasts from Australia to Asia; used as food especially by Chinese
echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders
a breed of dairy cattle from northern Holland
Homarus americanus
lobster of Atlantic coast of America
Homarus capensis
small lobster of southern Africa
Homarus vulgaris
lobster of Atlantic coast of Europe
an animal that has a body temperature that is relatively constant and independent of the environmental temperature
pigeon trained to return home
a primate of the family Hominidae
a primate of the superfamily Hominoidea
Homo erectus
extinct species of primitive hominid with upright stature but small brain
Homo habilis
extinct species of upright East African hominid having some advanced humanlike characteristics
Homo rhodesiensis
a primitive hominid resembling Neanderthal man but living in Africa
Homo sapiens
the only surviving hominid; species to which modern man belongs; bipedal primate having language and ability to make and use complex tools; brain volume at least 1400 cc
Homo sapiens neanderthalensis
extinct robust human of Middle Paleolithic in Europe and western Asia
Homo sapiens sapiens
subspecies of Homo sapiens; includes all modern races
Homo soloensis
extinct primitive hominid of late Pleistocene; Java; formerly Javanthropus
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
Homona coffearia
small Indian moth infesting e.g. tea and coffee plants
insects having membranous forewings and hind wings
honey eater
Australasian bird with tongue and bill adapted for extracting nectar
honey guide
small bird of tropical Africa and Asia; feeds on beeswax and honey and larvae
small bright-colored tropical American songbird with a curved bill for sucking nectar
hoofed mammal
any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomically
parasitic bloodsucking roundworms having hooked mouth parts to fasten to the intestinal wall of human and other hosts
hoop snake
any of various harmless North American snakes that were formerly believed to take tail in mouth and roll along like a hoop
any of several crested Old World birds with a slender downward-curved bill
hoot owl
any owl that hoots as distinct from screeching
bird of tropical Africa and Asia having a very large bill surmounted by a bony protuberance; related to kingfishers
horned lizard
insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America
horned owl
large owls having prominent ear tufts
large stinging paper wasp
any of several large freshwater leeches
horseshoe bat
a bat of the family Rhinolophidae having a horseshoe-shaped leaf on the nose
horseshoe bat
any of numerous bats of the family Hipposideridae of northwest Africa or Philippines or Australia having a horseshoe-shaped leaf on the nose
any of several breeds of dog used for hunting typically having large drooping ears
a dog trained to guard a house
monkey of tropical South American forests having a loud howling cry
Hudson bay collared lemming
of northern Canada
human beings
all of the living human inhabitants of the earth
tiny American bird having brilliant iridescent plumage and long slender bills; wings are specialized for vibrating flight
Hungarian partridge
common European partridge
Hungarian pointer
Hungarian hunting dog resembling the Weimaraner but having a rich deep red coat
hunting dog
a dog used in hunting game
hunting spider
ground spider that hunts its prey instead of using a web
Hyaena brunnea
of southern Africa
Hyaena hyaena
of northern Africa and Arabia and India
doglike nocturnal mammal of Africa and southern Asia that feeds chiefly on carrion
Hyalophora cecropia
North American silkworm moth; larvae feed on the leaves of forest trees
small tubular solitary freshwater hydrozoan polyp
Hydrobates pelagicus
sooty black petrel with white markings; of the northern Atlantic and Mediterranean
Hydrochoerus hydrochaeris
pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent
Hydrodamalis gigas
extinct large sirenian mammal formerly found near the Asiatic coast of the Bering Sea
colonial coelenterates having the polyp phase dominant
Hydromantes brunus
similar to Shasta salamander; lives in cliff crevices and taluses
Hydromantes shastae
primarily a cave dweller in the Mount Shasta area
Hyemoschus aquaticus
largest chevrotain; of marshy areas of west Africa
Hyla arenicolor
a small chiefly ground dweller that stays within easy jumping distance of water; of United States southwest and northern Mexico
Hyla crucifer
a small brown tree toad having a shrill call heard near wetlands of eastern United States and Canada in early spring
Hylactophryne augusti
of southwest United States and Mexico; call is like a dog's bark
Hylobates lar
smallest and most perfectly anthropoid arboreal ape having long arms and no tail; of southern Asia and East Indies
Hylocichla fuscescens
tawny brown North American thrush noted for its song
Hylocichla guttata
North American thrush noted for its complex and appealing song
Hylocichla mustelina
large thrush common in eastern American woodlands; noted for its melodious song
Hylophylax naevioides
a kind of antbird
insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
Hynerpeton bassetti
fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania
Hypentelium nigricans
widely distributed in warm clear shallow streams
Hyperglyphe perciformis
blackish fish of New England waters
Hyperoodon ampullatus
northern Atlantic beaked whale with a bulbous forehead
Hyphantria cunea
moth whose larvae are fall webworms
Hyphantria cunea
a variety of webworm
Hypsiglena torquata
nocturnal prowler of western United States and Mexico
Hypsiprymnodon moschatus
small kangaroo of northeastern Australia
sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds
wading birds of warm regions having long slender down-curved bills
Ibis ibis
any of several Old World birds of the genus Ibis
Ibizan Podenco
breed of slender agile medium-sized hound found chiefly in the Balearic Islands; said to have been bred originally by the Pharaohs of ancient Egypt
ichneumon fly
hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae
any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
ichthyosaurs of the Jurassic
early tetrapod amphibian found in Greenland
Ictalurus punctatus
freshwater food fish common throughout central United States
Icteria virens
American warbler noted for imitating songs of other birds
Icterus galbula
a kind of New World oriole
Icterus galbula bullockii
western subspecies of northern oriole
Icterus galbula galbula
eastern subspecies of northern oriole
Icterus spurius
the male is chestnut-and-black
Ictiobus niger
fish of the lower Mississippi
intermediate in form between the therapsids and most primitive true mammals
Ictonyx frenata
muishond of northern Africa
Ictonyx striata
ferret-sized muishond often tamed
Iguana iguana
large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central America and South America
lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males
massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period
an adult insect produced after metamorphosis
Inachis io
European butterfly having reddish-brown wings each marked with a purple eyespot
small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae
Indian buffalo
upland buffalo of eastern Asia where true water buffaloes do not thrive; used for draft and milk
Indian cobra
a cobra of tropical Africa and Asia
Indian elephant
Asian elephant having smaller ears and tusks primarily in the male
Indian mongoose
keen-sighted viverrine of southern Asia about the size of a ferret; often domesticated
Indian pony
a small native range horse
Indian rat snake
enter buildings in pursuit of prey
Indri brevicaudatus
large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn
small air-breathing arthropod
any organism that feeds mainly on insects
small insect-eating mainly nocturnal terrestrial or fossorial mammals
an insect or other arthropod between molts
any animal lacking a backbone or notochord; the term is not used as a scientific classification
Iridoprocne bicolor
bluish-green-and-white North American swallow; nests in tree cavities
Irish setter
an Irish breed with a chestnut-brown or mahogany-red coat
Irish terrier
medium-sized breed with a wiry brown coat; developed in Ireland
Irish water spaniel
breed of large spaniels developed in Ireland having a heavy coat of liver-colored curls and a topknot of long curls and a nearly hairless tail
Irish wolfhound
large breed of hound with a rough thick coat
any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling
Istiophorus albicans
a kind of sailfish
Isurus glaucus
common blue-grey shark of southwest Pacific; sport and food fish
Isurus oxyrhincus
very swift active bluish shark found worldwide in warm waters; important game fish
Isurus paucus
similar to shortfin mako but darker blue
Italian bee
yellowish honeybee resembling the Carniolan bee in its habits
Italian greyhound
a toy dog developed from the greyhound
itch mite
whitish mites that attack the skin of humans and other animals
Ixobrychus exilis
small American bittern
Ixodes dammini
a northeastern tick now recognized as same species as Ixodes scapularis
Ixodes dentatus
usually does not bite humans; transmits Lyme disease spirochete to cottontail rabbits and wood rats
Ixodes neotomae
a tick that usually does not bite humans; transmits Lyme disease spirochete to dusky-footed wood rats
Ixodes pacificus
a tick that feeds on dusky-footed wood rat and bites humans; principal vector for Lyme disease in western United States especially northern California
Ixodes persulcatus
bites humans; a vector for Lyme disease spirochete
Ixodes ricinus
parasitic on sheep and cattle as well as humans; can transmit looping ill in sheep (acute viral disease of the nervous system); a vector for Lyme disease spirochete
Ixodes scapularis
parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)
Ixodes spinipalpis
usually does not bite humans; transmits Lyme disease spirochete to cottontail rabbits and wood rats
Jabiru mycteria
large white stork of warm regions of the world especially America
tropical American insectivorous bird having a long sharp bill and iridescent green or bronze plumage
any of several fast-swimming predacious fishes of tropical to warm temperate seas
male donkey
jackknife clam
marine clam having a long narrow curved thin shell
large hare of western North America
Jaculus jaculus
a variety of jerboa
rapacious seabird that pursues weaker birds to make them drop their prey
Japanese deer
small deer of Japan with slightly forked antlers
Japanese oyster
a large oyster native to Japan and introduced along the Pacific coast of the United States; a candidate for introduction in Chesapeake Bay
Japanese spaniel
breed of toy dogs originating in Japan having a silky black-and-white or red-and-white coat
a variety of leafhopper
small large-mouthed tropical marine fishes common along sandy bottoms; males brood egg balls in their mouths; popular aquarium fishes
crested largely blue bird
any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
female donkey
jenny wren
any of several small active brown birds of the northern hemisphere with short upright tails; they feed on insects
mouselike jumping rodent
jerboa kangaroo
brush-tailed rat kangaroo
jerboa rat
large Australian rat with hind legs adapted for leaping
a breed of diary cattle developed on the island of Jersey
gerbil of northern Africa
larva of chalcid flies injurious to the straw of wheat and other grains
Jordanella floridae
a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida
jumping bristletail
wingless insect living in dark moist places as under dead tree trunks; they make erratic leaps when disturbed
jumping mouse
any of several primitive mouselike rodents with long hind legs and no cheek pouches; of woodlands of Eurasia and North America
jumping plant louse
small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
Junco hyemalis
common North American junco having grey plumage and eyes with dark brown irises
small North American finch seen chiefly in winter
June beetle
any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc.
jungle cock
male jungle fowl
jungle hen
female jungle fowl
Kakatoe galerita
white cockatoo with a yellow erectile crest
Kakatoe leadbeateri
white Australian cockatoo with roseate tinged plumage
Kamchatkan sea eagle
found on coasts of the northwestern Pacific
any of several herbivorous leaping marsupials of Australia and New Guinea having large powerful hind legs and a long thick tail
kangaroo mouse
leaping rodent of Australian desert areas
kangaroo rat
any of several rabbit-sized ratlike Australian kangaroos
Katsuwonus pelamis
fish whose flesh is dried and flaked for Japanese cookery; may be same species as skipjack tuna
large green long-horned grasshopper of North America; males produce shrill sounds by rubbing together special organs on the forewings
a spitz-like dog having a shaggy greyish coat and tightly curled tail originating in Holland
an Australian sheepdog with pointed ears
Kerry blue terrier
an Irish breed of medium-sized terriers with a silky blue-grey coat
young goat
small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control
King Charles spaniel
a toy English spaniel with a black-and-tan coat; named after Charles II who popularized it
king snake
any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals
any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast
nonpasserine large-headed bird with a short tail and long sharp bill; usually crested and bright-colored; feed mostly on fish
small birds resembling warblers but having some of the habits of titmice
young of any of various fur-bearing animals
any of several small graceful hawks of the family Accipitridae having long pointed wings and feeding on insects and small animals
young domestic cat
small pearl-grey gull of northern regions; nests on cliffs and has a rudimentary hind toe
informal terms referring to a domestic cat
Kobus kob
an orange-brown antelope of southeast Africa
Kobus leche
tawny-colored African antelope inhabiting wet grassy plains; a threatened species
Kogia breviceps
small sperm whale of warm waters of both coasts of North America
Kogia simus
very small (to 8 feet) sperm whale of central coasts of Atlantic and Pacific
Hungarian breed of large powerful shaggy-coated white dog; used also as guard dog
either of two spiral-horned antelopes of the African bush
brightly colored venomous but nonaggressive snake of southeastern Asia and Malay peninsula
shrimp-like planktonic crustaceans; major source of food for e.g. baleen whales
long-established Hungarian breed of tall light-footed but sturdy white dog; used also as a hunting dog
Kyphosus sectatrix
food and game fish around Bermuda and Florida; often follow ships
Labrador retriever
breed originally from Labrador having a short black or golden-brown coat
an amphibian of the superorder Labyrinthodontia
lace bug
small bug having body and wings covered with a lacy network of raised lines
Lacerta agilis
a common and widely distributed lizard of Europe and central Asia
Lacerta viridis
a common Eurasian lizard about a foot long
Old World terrestrial lizard
any of two families of insects with gauzy wings (Chrysopidae and Hemerobiidae); larvae feed on insect pests such as aphids
Lachnolaimus maximus
large wrasse of western Atlantic; head of male resembles a pig's snout
Lactophrys quadricornis
trunkfish having hornlike spines over the eyes
lady beetle
small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests
Lagodon rhomboides
similar to sea bream; small spiny-finned fish found in bays along the southeastern coast of the United States
Lagopus scoticus
reddish-brown grouse of upland moors of Great Britain
Lagostomus maximus
gregarious burrowing rodent larger than the chinchillas
lake salmon
Atlantic salmon confined to lakes of New England and southeastern Canada
Lakeland terrier
breed of wire-haired terrier originally from the Lake District of England and used for hunting
Lama guanicoe
wild llama
Lama pacos
domesticated llama with long silky fleece; believed to be a domesticated variety of the guanaco
Lama peruana
used in the Andes as a beast of burden and source of wool; considered a domesticated variety of the guanaco
young sheep
a very young lamb
lamellicorn beetle
beetle having antennae with hard platelike terminal segments
Lamna nasus
voracious pointed-nose shark of northern Atlantic and Pacific
lamper eel
primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
Lampris guttatus
from Nova Scotia to West Indies and Gulf of Mexico
Lampris regius
large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean
Lampropeltis getulus
widespread in United States except northern regions; black or brown with yellow bands
Lampropeltis triangulum
nonvenomous tan and brown king snake with an arrow-shaped occipital spot; southeastern ones have red stripes like coral snakes
lancet fish
large elongate scaleless oceanic fishes with sharp teeth and a long dorsal fin that resembles a sail
slender long-tailed monkey of Asia
Lanius borealis
a butcherbird of northern North America
Lanius excubitor
a common European butcherbird
Lanius lucovicianus
a common shrike of southeastern United States having black bands around the eyes
Lanius ludovicianus excubitorides
a butcherbird of western North America; grey with white underparts
Lanius ludovicianus migrans
a shrike of central North America; winters in Texas and the southern Mississippi valley
lantern fly
large brightly marked tropical insect with a process like a snout that was formerly thought to emit light
small fish having rows of luminous organs along each side; some surface at night
Lanthanotus borneensis
a stout-bodied pleurodont lizard of Borneo
a dog small and tame enough to be held in the lap
castrated male rabbit
lappet caterpillar
larva of a lappet moth
medium-sized hairy moths; larvae are lappet caterpillars
large poodle
the largest breed of poodle
long-winged web-footed aquatic bird of the gull family
any of numerous predominantly Old World birds noted for their singing
North American songbirds having a yellow breast
a songbird that lives mainly on the ground in open country; has streaky brown plumage
Larus argentatus
large gull of the northern hemisphere
Larus canus
the common gull of Eurasia and northeastern North America
Larus marinus
white gull having a black back and wings
Larus ridibundus
small black-headed European gull
the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
any member of the class Larvacea
medium-sized stout-bodied neutral-colored moths with comb-like antennae
Lasiurus borealis
North American bat of a brick or rusty red color with hairs tipped with white
Latimeria chalumnae
fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa
Latrodectus mactans
venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen
very small silvery eellike schooling fishes that burrow into sandy beaches
a hen that lays eggs
leaf bug
small bright-colored insect that feeds on plant juices
leaf insect
tropical insect having a flattened leaflike body; common in southern Asia and the East Indies
leaf miner
any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue especially of the family Gracilariidae
leaf roller
moth whose larvae form nests by rolling and tying leaves with spun silk
bee that cuts rounded pieces from leaves and flowers to line its nest
leaf-foot bug
large sap-sucking bug with leaflike expansions on the legs
leaf-nosed snake
any of various pale blotched snakes with a blunt snout of southwestern North America
small leaping insect that sucks the juices of plants
leafnose bat
bat having a leaflike flap at the end of the nose; especially of the families Phyllostomatidae and Rhinolophidae and Hipposideridae
leather carp
scaleless domestic carp
any of several brightly colored tropical filefishes
any of several New World tropical fishes having tiny embedded scales
tough-skinned larva of certain crane flies
Lebistes reticulatus
small freshwater fish of South America and the West Indies; often kept in aquariums
lefteye flounder
flatfishes with both eyes on the left side of the head
legless lizard
degenerate wormlike burrowing lizard of California closely related to alligator lizards
Leipoa ocellata
Australian mound bird; incubates eggs naturally in sandy mounds
any of various short-tailed furry-footed rodents of circumpolar distribution
Lemmus trimucronatus
of northwestern Canada and Alaska
large-eyed arboreal prosimian having foxy faces and long furry tails
a large dog (usually with a golden coat) produced by crossing a St Bernard and a Newfoundland
small South American marmoset with silky fur and long nonprehensile tail
Leontocebus oedipus
South American tamarin with a tufted head
Leontocebus rosalia
golden South American monkey with long soft hair forming a mane
leopard lizard
any of several large lizards with many dark spots; of western United States and northern Mexico
female leopard
Lepas fascicularis
stalked barnacle that attaches to ship bottoms or floating timbers
Lepidochelys kempii
grey sea turtle of the Atlantic and Gulf Coasts of North America
Lepidochelys olivacea
olive-colored sea turtle of tropical Pacific and Indian and the southern Atlantic oceans
Lepidocybium flavobrunneum
large snake mackerel with rings like spectacles around its eyes
insect that in the adult state has four wings more or less covered with tiny scales
Lepisma saccharina
silver-grey wingless insect found in houses feeding on book bindings and starched clothing
Lepisosteus osseus
primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
Lepomis gibbosus
small brilliantly colored North American sunfish
Lepomis macrochirus
important edible sunfish of eastern and central United States
Lepomis punctatus
inhabits streams from South Carolina to Florida; esteemed panfish
rabbits and hares
Leptinotarsa decemlineata
black-and-yellow beetle that feeds in adult and larval stages on potato leaves; originally of eastern Rocky Mountains; now worldwide
slender transparent larva of eels and certain fishes
toothed frogs: terrestrial or aquatic or arboreal
Leptodactylus pentadactylus
large toothed frog of South America and Central America resembling the bullfrog
Leptoptilus crumeniferus
large African black-and-white carrion-eating stork; its downy underwing feathers are used to trim garments
Leptoptilus dubius
large Indian stork with a military gait
Leptotyphlops humilis
burrows among roots of shrubs and beneath rocks in desert and rocky hillside areas and beach sand of western United States
Lepus americanus
large large-footed North American hare; white in winter
Lepus arcticus
a large hare of northern North America; it is almost completely white in winter
Lepus californicus
the common jackrabbit of grasslands and open areas of western United States; has large black-tipped ears and black streak on the tail
Lepus europaeus
large hare introduced in North America; does not turn white in winter
Lepus townsendi
largest hare of northern plains and western mountains of United States; brownish-grey in summer and pale grey in winter; tail nearly always all white
dormouse of southern Europe and northern Africa
lesser ape
gibbons and siamangs
Leuciscus cephalus
European freshwater game fish with a thick spindle-shaped body
Leuciscus leuciscus
small European freshwater fish with a slender bluish-green body
a young hare especially one in its first year
Lhasa apso
a breed of terrier having a long heavy coat raised in Tibet as watchdogs
Lichanura trivirgata
boa of rocky desert of southwestern United States
offspring of a male lion and a female tiger
Limanda ferruginea
American flounder having a yellowish tail
Limenitis archippus
showy American butterfly resembling the monarch but smaller
Limenitis arthemis
North American butterfly with blue-black wings crossed by a broad white band
Limenitis astyanax
similar to the banded purple but with red spots on underwing surfaces
Limenitis camilla
Eurasian butterfly with brown wings and white markings
limicoline bird
any of numerous wading birds that frequent mostly seashores and estuaries
Limnocryptes minima
a small short-billed Old World snipe
Limnodromus griseus
a dowitcher with a grey back
Limnodromus scolopaceus
a dowitcher with a red breast
Limosa haemastica
New World godwit
any of various usually marine gastropods with low conical shells; found clinging to rocks in littoral areas
long-wooled mutton sheep originally from Lincolnshire
American hakes
lion cub
a young lion
a female lion
a small or young lion
brightly striped fish of the tropical Pacific having elongated spiny fins
Liopelma hamiltoni
primitive New Zealand frog with four unwebbed toes on forefeet and five on hind feet
Liparis liparis
small tadpole-shaped cold-water fishes with pelvic fins forming a sucker; related to lumpfish
Liposcelis divinatorius
minute wingless psocopterous insects injurious to books and papers
a compact and sturdy saddle horse that is bred and trained in Vienna; smart and docile and excellent for dressage
Litocranius walleri
slender East African antelope with slim neck and backward-curving horns
a young quahog
small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
liver chestnut
a solid dark brown horse
liver-spotted dalmatian
a brown-spotted dalmatian
relatively long-bodied reptile with usually two pairs of legs and a tapering tail
tropical fishes with large mouths in lizard-like heads; found worldwide
wild or domesticated South American cud-chewing animal related to camels but smaller and lacking a hump
slender freshwater fishes of Eurasia and Africa resembling catfishes
Lobipes lobatus
breeds in Arctic regions of Old and New Worlds; large flocks often seen far out at sea
Lobotes surinamensis
tripletail found from Cape Cod to northern South America
any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae
marine worms having a row of tufted gills along each side of the back; often used for fishing bait
migratory grasshoppers of warm regions having short antennae
Locusta migratoria
Old World locust that travels in vast swarms stripping large areas of vegetation
Lofortyx californicus
plump chunky bird of coastal California and Oregon
somewhat flattened cylindrical squid
long-eared bat
any of various Old or New World bats having very long ears
long-horned beetle
long-bodied beetle having very long antennae
long-horned grasshopper
grasshoppers with long threadlike antennae and well-developed stridulating organs on the forewings of the male
a domestic long-wool sheep
Lophius Americanus
fishes having large mouths with a wormlike filament attached for luring prey
Lophodytes cucullatus
small North American duck with a high circular crest on the male's head
Lopholatilus chamaeleonticeps
yellow-spotted violet food fish of warm deep waters
any of various small lories
Loris gracilis
slim-bodied lemur of southern India and Sri Lanka
small brightly colored Australasian parrots having a brush-tipped tongue for feeding on nectar and soft fruits
Lota lota
elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
any of several small insects especially aphids that feed by sucking the juices from plants
wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
small African parrot noted for showing affection for their mates
Loxia curvirostra
finch with a bill whose tips cross when closed
Loxodonta africana
an elephant native to Africa having enormous flapping ears and ivory tusks
Loxostege similalis
moth whose larvae are garden webworms
Loxostege similalis
a variety of webworm
incomplete skeleton of female found in eastern Ethiopia in 1974
Lumpenus lumpretaeformis
found in Arctic and northern Atlantic waters
any of several very small lumpfishes
Lunda cirrhata
northern Pacific puffin having a large yellow plume over each eye
air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought
lungless salamander
mostly terrestrial salamanders that breathe through their thin moist skin; lay eggs in moist places on land; rarely enter water
Luscinia luscinia
large nightingale of eastern Europe
Luscinia megarhynchos
European songbird noted for its melodious nocturnal song
Lutjanus analis
similar to and often marketed as `red snapper'
Lutjanus apodus
food fish of warm Caribbean and Atlantic waters
Lutjanus blackfordi
an esteemed food fish with pinkish red head and body; common in the Atlantic coastal waters of North America and the Gulf of Mexico
Lutjanus griseus
found in shallow waters off the coast of Florida
Lutra canadensis
sociable aquatic animal widely distributed along streams and lake borders in North America
Luvarus imperialis
large silvery fish found worldwide in warm seas but nowhere common; resembles a whale and feeds on plankton
Lycaena hypophlaeas
common copper butterfly of central and eastern North America
any of various butterflies of the family Lycaenidae
a true bug: usually bright-colored; pest of cultivated crops and some fruit trees
lygus bug
vector of viral plant diseases
Lygus lineolaris
widespread plant and fruit pest
Lymantria dispar
European moth introduced into North America; a serious pest of shade trees
dull-colored moth whose larvae have tufts of hair on the body and feed on the leaves of many deciduous trees
Lynx canadensis
of northern North America
Lynx caracal
of deserts of northern Africa and southern Asia
Lynx lynx
of northern Eurasia
Lynx pardina
of southern Europe
Lynx rufus
small lynx of North America
lyre snake
mildly venomous snake with a lyre-shaped mark on the head; found in rocky areas from southwestern United States to Central America
Australian bird that resembles a pheasant; the courting male displays long tail feathers in a lyre shape
Lyrurus mlokosiewiczi
a black grouse of western Asia
Macaca irus
monkey of southeast Asia, Borneo and the Philippines
Macaca mulatta
of southern Asia; used in medical research
Macaca radiata
Indian macaque with a bonnet-like tuft of hair
Macaca sylvana
tailless macaque of rocky cliffs and forests of northwestern Africa and Gibraltar
short-tailed monkey of rocky regions of Asia and Africa
long-tailed brilliantly colored parrot of Central America and South America; among the largest and showiest of parrots
any of various fishes of the family Scombridae
mackerel shark
fierce pelagic and oceanic sharks
Macrocephalon maleo
Celebes megapode that lays eggs in holes in sandy beaches
Macrocheira kaempferi
very large deep-water Japanese crab
Macroclemys temmincki
large species having three ridges on its back; found in southeastern United States
Macrodactylus subspinosus
common North American beetle: larvae feed on roots and adults on leaves and flowers of e.g. rose bushes or apple trees or grape vines
Macronectes giganteus
large brownish petrel chiefly of Antarctic seas
Macropus agiles
a small wallaby having a height of 30 inches
Macropus giganteus
very large greyish-brown Australian kangaroo formerly abundant in open wooded areas
Macrotis lagotis
bandicoot with leathery ears like a rabbit
Macrotus californicus
large-eared greyish bat of southern California and northwestern Mexico
Macrozoarces americanus
common along northeastern coast of North America
Madagascar cat
small lemur having its tail barred with black
corals having calcareous skeletons aggregations of which form reefs and islands
the larva of the housefly and blowfly commonly found in decaying organic matter
Magicicada septendecim
North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
long-tailed black-and-white crow that utters a raucous chattering call
Makaira albida
small marlin (to 180 pounds) of western Atlantic
Makaira marlina
large game fish in the Pacific Ocean; may reach 1000 pounds
Makaira mitsukurii
Pacific food and game fish marked with dark blue vertical stripes
Makaira nigricans
largest marlin; may reach 2000 pounds; found worldwide in warm seas
powerful mackerel shark of the Atlantic and Pacific
Malaclemys centrata
of marshes along Atlantic and Gulf Coasts of United States
any fish of the superorder Malacopterygii
Malacosoma americana
moth whose larvae are tent caterpillars
Malacosoma disstria
moth whose gregarious larvae spin webs resembling carpets
Malacosoma disstria
larvae of a gregarious North American moth that spins a web resembling a carpet rather than a tent; serious defoliator of deciduous trees
malacostracan crustacean
a major subclass of crustaceans
malaria mosquito
transmits the malaria parasite
an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova)
male horse
the male of species Equus caballus
fawn-colored short-haired sheepdog
mallee hen
adult female mallee fowl
Malopterurus electricus
freshwater catfish of the Nile and tropical central Africa having an electric organ
Maltese cat
a term applied indiscriminately in the United States to any short-haired bluish-grey cat
Maltese terrier
breed of toy dogs having a long straight silky white coat
arboreal snake of central and southern Africa whose bite is often fatal
any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
any of numerous extinct elephants widely distributed in the Pleistocene; extremely large with hairy coats and long upcurved tusks
Mammuthus columbi
a variety of mammoth
Mammuthus primigenius
very hairy mammoth common in colder portions of the northern hemisphere
black honeycreepers with yellow feathers around the tail; now extinct
any of numerous small bright-colored birds of Central America and South America having short bills and elaborate courtship behavior
Manchester terrier
a breed of short-haired rat terrier with a black-and-tan coat that was developed in Manchester, England
Mandrillus leucophaeus
similar to the mandrill but smaller and less brightly colored
Mandrillus sphinx
baboon of west Africa with a bright red and blue muzzle and blue hindquarters
Manduca quinquemaculata
moth whose larvae are tomato hornworms
Manduca quinquemaculata
large green white-striped hawkmoth larva that feeds on tomato and potato plants; similar to tobacco hornworm
Manduca sexta
moth whose larvae are tobacco hornworms
Manduca sexta
large green white-striped hawkmoth larva that feeds on tobacco and related plants; similar to tomato hornworm
large agile arboreal monkey with long limbs and tail and white upper eyelids
advanced carnivorous theropod
Manta birostris
largest manta (to 22 feet across wings); found worldwide but common in Gulf of Mexico and along southern coasts of United States; primarily oceanic
predacious long-bodied large-eyed insect of warm regions; rests with forelimbs raised as in prayer
mantis crab
tropical marine burrowing crustaceans with large grasping appendages
mantis prawn
a kind of mantis shrimp
Mantis religioso
the common mantis
insect that resembles a mantis; larvae are parasites in the nests of spiders and wasps
Manx cat
a short-haired tailless breed of cat believed to originate on the Isle of Man
maori hen
flightless New Zealand rail of thievish disposition having short wings each with a spur used in fighting
supposed human-sized sloth-like creature reportedly sighted by Indians in the Amazon rain forest
Marco Polo's sheep
Asiatic wild sheep with exceptionally large horns; sometimes considered a variety of the argali (or Ovis ammon)
marine animal
any of numerous animals inhabiting the sea including e.g. fishes and molluscs and many mammals
marine mussel
marine bivalve mollusk having a dark elongated shell; live attached to solid objects especially in intertidal zones
marine turtle
any of various large turtles with limbs modified into flippers; widely distributed in warm seas
large long-jawed oceanic sport fishes; related to sailfishes and spearfishes; not completely cold-blooded i.e. able to warm their brains and eyes
small soft-furred South American and Central American monkey with claws instead of nails
stocky coarse-furred burrowing rodent with a short bushy tail found throughout the northern hemisphere; hibernates in winter
Marmota caligata
large North American mountain marmot
Marmota flaviventris
heavy-bodied yellowish-brown marmot of rocky areas of western North America
Marmota monax
reddish brown North American marmot
marsh wren
a wren of the genus Cistothorus that frequents marshes
marsupial mouse
any of numerous small sharp-nosed insectivorous marsupials superficially resembling mice or rats
mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried
agile slender-bodied arboreal mustelids somewhat larger than weasels
Martes americana
valued for its fur
Martes foina
Eurasian marten having a brown coat with pale breast and throat
Martes martes
dark brown marten of northern Eurasian coniferous forests
Martes pennanti
large dark brown North American arboreal carnivorous mammal
Martes zibellina
marten of northern Asian forests having luxuriant dark brown fur
any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas
Maryland yellowthroat
an American warbler
mason bee
any of numerous solitary bees that build nests of hardened mud and sand
mason wasp
solitary wasp that constructs nests of hardened mud or clay for the young
mason wasp
any of various solitary wasps that construct nests of hardened mud for their young
Masticophis bilineatus
both terrestrial and arboreal snake of United States southwest
Masticophis flagellum
a whipsnake of southern United States and Mexico; tail resembles a braided whip
Masticophis lateralis
a whipsnake of scrublands and rocky hillsides
an old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog
mastiff bat
a soft-furred chocolate-brown bat with folded ears and small wings; often runs along the ground
Mastigoproctus giganteus
large whip-scorpion of Mexico and southern United States that emits a vinegary odor when alarmed
extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
Mastotermes darwiniensis
Australian termite; sole living species of Mastotermes; called a living fossil; apparent missing link between cockroaches and termites
Mastotermes electrodominicus
extinct termite found in amber in the Dominican Republic
Mastotermes electromexicus
an extinct termite found in amber in southern Mexico
the partner of an animal (especially a sexual partner)
an unbranded range animal (especially a stray calf); belongs to the first person who puts a brand on it
Mayetiola destructor
small fly whose larvae damage wheat and other grains
the larva of beetles of the family Tenebrionidae
mealy bug
scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
any of various carnivorous insects of the order Mecoptera
Mediterranean flour moth
small moth whose larvae damage stored grain and flour
Mediterranean fruit fly
small black-and-white fly that damages citrus and other fruits by implanting eggs that hatch inside the fruit
Mediterranean water shrew
a type of water shrew
one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles
a mongoose-like viverrine of South Africa having a face like a lemur and only four toes
Megaderma lyra
large carnivorous Old World bat with very large ears
Megalobatrachus maximus
large (up to more than three feet) edible salamander of Asia
gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe
large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs
Megaptera novaeangliae
large whalebone whale with long flippers noted for arching or humping its back as it dives
a large extinct ground sloth
Melanerpes erythrocephalus
black-and-white North American woodpecker having a red head and neck
Melanitta nigra
a variety of scoter
Melanogrammus aeglefinus
important food fish on both sides of the Atlantic; related to cod but usually smaller
Melanotis caerulescens
mockingbird of Mexico
Meleagris gallopavo
large gallinaceous bird with fan-shaped tail; widely domesticated for food
Mellivora capensis
nocturnal badger-like carnivore of wooded regions of Africa and southern Asia
Melolontha melolontha
any of various large European beetles destructive to vegetation as both larvae and adult
melolonthid beetle
any of various beetles of the family (or subfamily) Melolonthidae
Melophagus Ovinus
wingless fly that is an external parasite on sheep and cattle
Melopsittacus undulatus
small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors
Melospiza georgiana
North American finch of marshy area
Melospiza melodia
small songbird common in North America
Melursus ursinus
common coarse-haired long-snouted bear of south-central Asia
Menippe mercenaria
large edible crab of the southern coast of the United States (particularly Florida)
Menopon palladum
a louse parasitic on poultry
Menticirrhus americanus
whiting of the southeastern coast of North America
Menticirrhus littoralis
a dull silvery whiting of southern Atlantic and Gulf Coasts of the United States
Menticirrhus saxatilis
whiting of the east coast of United States; closely resembles king whiting
Menticirrhus undulatus
bluish-grey whiting of California coast
Mephitis macroura
of Mexico and southernmost parts of southwestern United States
Mephitis mephitis
most common and widespread North American skunk
Mercenaria mercenaria
an edible American clam; the heavy shells were used as money by some American Indians
Mergus albellus
smallest merganser and most expert diver; found in northern Eurasia
Mergus merganser
common merganser of Europe and North America
Mergus merganser americanus
common North American diving duck considered a variety of the European goosander
Mergus serrator
widely distributed merganser of America and Europe
white sheep originating in Spain and producing a heavy fleece of exceptional quality
Meriones longifrons
southern European gerbil
Meriones unguiculatus
a gerbil that is popular as a pet
Merlangus merlangus
a food fish of the Atlantic waters of Europe resembling the cod; sometimes placed in genus Gadus
Merluccius bilinearis
found off Atlantic coast of North America
Mesocricetus auratus
small light-colored hamster often kept as a pet
North American three-toed Oligocene animal; probably not directly ancestral to modern horses
primitive pouched mammals found mainly in Australia and the Americas
any animal of the subkingdom Metazoa; all animals except protozoans and sponges
Mexican beaded lizard
lizard with black and yellowish beadlike scales; of western Mexico
Mexican hairless
any of an old breed of small nearly hairless dogs of Mexico
Mexican pocket mouse
large pocket mouse of Mexico
Mickey Mouse
a fictional mouse created in animated film strips by Walt Disney
Micromyx minutus
small reddish-brown Eurasian mouse inhabiting e.g. cornfields
Micropogonias undulatus
a silvery-bodied croaker with dark markings and tiny barbels
Micropterus dolomieu
a variety of black bass; the angle of the jaw falls below the eye
Micropterus pseudoplites
a variety of black bass
Micropterus salmoides
a large black bass; the angle of the jaw falls behind the eye
Microstomus kitt
European flatfish highly valued as food
Microtus ochrogaster
typical vole of the extended prairie region of central United States and southern Canada
Microtus pennsylvaticus
widely distributed in grasslands of northern United States and Canada
Microtus richardsoni
of western North America
Micruroides euryxanthus
ranges from Central America to southwestern United States
Micrurus fulvius
ranges from Central America to southeastern United States
minute two-winged mosquito-like fly lacking biting mouthparts; appear in dancing swarms especially near water
Mighty Mouse
a fictional mouse endowed with great strength and courage
an animal (especially birds and fish) that travels between different habitats at particular times of the year
migratory grasshopper
serious pest of grain-growing and range areas of central and western United States
milking shorthorn
breed evolved from shorthorn beef cattle
any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs
small freshwater sculpin of Europe and North America
any of various moths that have powdery wings
Milvus migrans
dark Old World kite feeding chiefly on carrion
Mimus polyglotktos
long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds
tropical Asian starlings
miniature pinscher
small German version of a Doberman pinscher
miniature poodle
a breed of small poodles
miniature schnauzer
a small schnauzer
slender-bodied semiaquatic mammal having partially webbed feet; valued for its fur
Minnie Mouse
the partner of Mickey Mouse
mirror carp
domestic carp with some large shining scales
any of numerous very small to minute arachnids often infesting animals or plants or stored foods
extinct flightless bird of New Zealand
Mobula hypostoma
small manta (to 4 feet) that travels in schools
mocking thrush
thrush-like American songbird able to mimic other birdsongs
small silvery schooling fishes with protrusible mouths found in warm coastal waters
British informal for donkey
Mola lanceolata
caudal fin has a central projection
small velvety-furred burrowing mammal having small eyes and fossorial forefeet
mole cricket
digs in moist soil and feeds on plant roots
mole rat
furry short-limbed tailless rodent resembling a true mole in habits and appearance; of eastern Europe and Middle East
mole rat
African rodent resembling a mole in habits and appearance
popular aquarium fish
invertebrate having a soft unsegmented body usually enclosed in a shell
any lizard of the genus Moloch
Moloch horridus
desert lizard that feeds on ants
an animal (especially birds and arthropods and reptiles) that periodically shed their outer layer (feathers or cuticle or skin or hair)
Molva molva
elongated marine food fish of Greenland and northern Europe; often salted and dried
tropical American bird resembling a blue jay and having greenish and bluish plumage
brilliantly colored pheasant of southern Asia
agile grizzled Old World viverrine; preys on snakes and rodents
any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles
any of various long-tailed primates (excluding the prosimians)
Monodon monoceros
small Arctic whale the male having a long spiral ivory tusk
Monomorium minimum
tiny glossy black ant; nests outdoors but invades houses for food
Monomorium pharaonis
small red ant of warm regions; a common household pest
Mononychus olecranus
a turkey-sized long-legged fossil 75 million years old found in the Gobi Desert having bird-like fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute
monoplane flying fish
having only pectoral fins enlarged
(medicine) a grossly malformed and usually nonviable fetus
Montagu's harrier
brownish European harrier
moon shell
marine gastropods having smooth rounded shells that form short spires
male red grouse
female red grouse
family of brightly colored voracious eels of warm coastal waters; generally nonaggressive to humans but larger species are dangerous if provoked
Morelia spilotes variegatus
Australian python with a variegated pattern on its back
an American breed of small compact saddle horses
Morlett's crocodile
a variety of crocodile
Morone americana
small silvery food and game fish of eastern United States streams
Morone interrupta
North American freshwater bass resembling the larger marine striped bass
a solid mass of blastomeres that forms when the zygote splits; develops into the blastula
Moschus moschiferus
small heavy-limbed upland deer of central Asia; male secretes valued musk
two-winged insect whose female has a long proboscis to pierce the skin and suck the blood of humans and animals
typically crepuscular or nocturnal insect having a stout body and feathery or hairlike antennae
Mother Carey's chicken
medium-sized storm petrel
mother hen
a hen with chicks
a lightweight horse kept for riding only
mountain chinchilla
a rodent native to the mountains of Chile and Peru and now bred in captivity
mountain paca
rodent of mountains of western South America
mountain sheep
any wild sheep inhabiting mountainous regions
any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails
mouse-eared bat
a carnivorous bat with ears like a mouse
a cat proficient at mousing
any of various fishes that carry their eggs and their young in their mouths
mud dauber
wasp that constructs mud cells on a solid base in which females place eggs laid in paralyzed insect larvae
mud turtle
bottom-dwelling freshwater turtle inhabiting muddy rivers of North America and Central America
a racehorse that runs well on a muddy racetrack
found in tropical coastal regions of Africa and Asia; able to move on land on strong pectoral fins
Mugil cephalus
most important commercial mullet in eastern United States
Mugil curema
silvery mullet of Atlantic and Pacific coasts
Mugil liza
similar to the striped mullet and takes its place in the Caribbean region
southern African weasel
hybrid offspring of a male donkey and a female horse; usually sterile
bottom dwelling marine warm water fishes with two barbels on the chin
Mulloidichthys martinicus
schooling goatfish; greyish with yellow stripe
Mullus auratus
body bright scarlet with 2 yellow to reddish strips on side
Mullus surmuletus
brightly colored tropical fishes with chin barbels
a rodent that is a member of the family Muridae
black-and-white diving bird of northern seas
Mus musculus
brownish-grey Old World mouse now a common household pest worldwide
Musca domestica
common fly that frequents human habitations and spreads many diseases
Muscardinus avellanarius
a variety of dormouse
Muscicapa striata
common European woodland flycatcher with greyish-brown plumage
grey flycatcher of the southwestern United States and Mexico and Central America having a long forked tail and white breast and salmon and scarlet markings
mushroom coral
flattened disk-shaped stony coral (usually solitary and unattached)
musk hog
nocturnal gregarious pig-like wild animals of North America and South America
musk turtle
small freshwater turtle having a strong musky odor
marine or freshwater bivalve mollusk that lives attached to rocks etc.
mussel shrimp
tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell
small hardy range horse of the western plains descended from horses brought by the Spanish
Mustela erminea
mustelid of northern hemisphere in its white winter coat
Mustela frenata
the common American weasel distinguished by large size and black-tipped tail
Mustela nigripes
musteline mammal of prairie regions of United States; nearly extinct
Mustela putorius
dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened
Mustela vison
usually rich dark brown
fissiped fur-bearing carnivorous mammals
Mustelus mustelus
smooth dogfish of European coastal waters
an animal that has undergone mutation
Mya arenaria
an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
Mycteria americana
an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics
Mycteroperca bonaci
large dark grouper with a thick head and rough scales
large (bear-sized) extinct edentate mammal of the Pleistocene in South America
a variety of extinct edentate
Myocastor coypus
aquatic South American rodent resembling a small beaver; bred for its fur
Myotis leucifugus
the small common North American bat; widely distributed
Myotis velifer
small bat of southwest United States that lives in caves etc.
general term for any terrestrial arthropod having an elongated body composed of many similar segments: e.g. centipedes and millipedes
Myrmecobius fasciatus
small Australian marsupial having long snout and strong claws for feeding on termites; nearly extinct
Myrmecophaga jubata
large shaggy-haired toothless anteater with long tongue and powerful claws; of South America
Mytilus edulis
a mussel with a dark shell that lives attached to rocks
Myxine glutinosa
typical hagfish
Myxinikela siroka
fossil hagfish of the Pennsylvanian period (c. 300 million years ago) that resembled modern hagfishes
Myxocephalus aenaeus
small sculpin of the coast of New England
Naemorhedus goral
small goat antelope with small conical horns; of southern Asian mountains
nail-tailed kangaroo
small wallabies with a horny nail on the tip of the tail
Naja nigricollis
aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness
naked mole rat
fetal-looking colonial rodent of East Africa; neither mole nor rat; they feed on tubers and have a social structure similar to that of honeybees and termites
female goat
small creatures resembling pieces of fuzzy rope; each with a cluster of swimming bells serving as the head and long elastic tentacles for drawing in prey
Nasalis larvatus
Borneo monkey having a long bulbous nose
Nasua narica
omnivorous mammal of Central America and South America
Natrix maura
a small harmless grass snake
Natrix natrix
harmless European snake with a bright yellow collar; common in England
Naucrates ductor
small pelagic fish often accompanying sharks or mantas
Necturus maculosus
aquatic North American salamander with red feathery external gills
fish with long tubular snout and slim body covered with bony plates
Negaprion brevirostris
common shallow-water schooling shark of the Atlantic from North Carolina to Brazil and off west Africa; dangerous
unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
Neophron percnopterus
small mostly white vulture of Africa and southern Eurasia
Neotoma cinerea
any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects
Neotoma floridana
large greyish-brown wood rat of the southeastern United States
Neotoma fuscipes
host to Lyme disease tick (Ixodes pacificus) in northern California
Nephrops norvegicus
edible European lobster resembling the American lobster but slenderer
a neritid gastropod having a short smooth or spirally ridged shell with thick usually toothed outer lip and toothed operculum
Nerita peloronta
gastropod having reddish toothlike projections around the shell opening; of the Caribbean area
operculate seasnail of coastal waters with a short spiral shell
ornately marked and brightly colored snails of brackish waters
Nerodia sipedon
in some classifications placed in the genus Nerodia; western United States snake that seldom ventures far from water
a bird that has built (or is building) a nest
Nestor notabilis
large brownish-green New Zealand parrot
insect having biting mouthparts and four large membranous wings with netlike veins
Neurotrichus gibbsii
greyish-black shrew mole of the United States and Canada
New World anteater
any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites
New World blackbird
any bird of the family Icteridae whose male is black or predominantly black
New World chat
birds having a chattering call
New World coral snake
any of several venomous New World snakes brilliantly banded in red and black and either yellow or white; widely distributed in South America and Central America
New World flycatcher
large American birds that characteristically catch insects on the wing
New World goldfinch
American finch whose male has yellow body plumage in summer
New World jay
a North American jay
New World least weasel
of Canada and northeastern United States
New World monkey
hairy-faced arboreal monkeys having widely separated nostrils and long usually prehensile tails
New World mouse
a variety of rodent
New World oriole
American songbird; male is black and orange or yellow
New World porcupine
arboreal porcupine
New World sparrow
sparrow-like North American finches
New World vulture
large birds of prey superficially similar to Old World vultures
New World warbler
small bright-colored American songbird with a weak unmusical song
New Zealand wren
birds of New Zealand that resemble wrens
Newfoundland dog
a breed of very large heavy dogs with a thick coarse usually black coat; highly intelligent dogs and vigorous swimmers; developed in Newfoundland
small usually bright-colored semiaquatic salamanders of North America and Europe and northern Asia
night bird
any bird associated with night: owl; nightingale; nighthawk; etc
night heron
nocturnal or crepuscular herons
night lizard
small secretive nocturnal lizard of southwestern North America and Cuba; bear live young
night raven
any bird that cries at night
usually dull-colored medium-sized nocturnal moth; the usually smooth-bodied larvae are destructive agricultural pests
Nomia melanderi
a common solitary bee important for pollinating alfalfa in the western United States
nonpasserine bird
chiefly arboreal birds especially of the order Coraciiformes
a horse that fails to run in a race for which it has been entered
Norfolk terrier
English breed of small terrier with a straight wiry grizzled coat and dropped ears
northern snakehead
a voracious freshwater fish that is native to northeastern China; can use fin to walk and can survive out of water for three days; a threat to American populations of fish
Norwegian elkhound
breed of compact medium-sized dog with a heavy grey coat developed in Norway for hunting elk
Norwich terrier
English breed of small short-legged terrier with a straight wiry red or grey or black-and-tan coat and erect ears
Notechis scutatus
highly venomous brown-and-yellow snake of Australia and Tasmania
Notemigonus crysoleucas
shiner of eastern North America having golden glints; sometimes also called `bream'
extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
Notonecta undulata
predaceous aquatic insect that swims on its back and may inflict painful bites
Notophthalmus viridescens
red terrestrial form of a common North American newt
Notornis mantelli
flightless New Zealand birds similar to gallinules
Notoryctus typhlops
small burrowing Australian marsupial that resembles a mole
Notropis atherinoides
small blunt-nosed fish of Great Lakes and Mississippi valley with a greenish luster
Notropis cornutus
the common North American shiner
Nucifraga caryocatactes
Old World nutcracker
Nucifraga columbiana
nutcracker of the western United States
nude mouse
a mouse with a genetic defect that prevents them from growing hair and also prevents them from immunologically rejecting human cells and tissues; widely used in preclinical trials
any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
Numenius arquata
common Eurasian curlew
Numenius borealis
New World curlew that breeds in northern North America
Numida meleagris
a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world
speckled birds that feed on nuts
any of various small short-tailed songbirds with strong feet and a sharp beak that feed on small nuts and insects
Nyctanassa violacea
North American night heron
Nyctereutes procyonides
small wild dog of eastern Asia having facial markings like those of a raccoon
Nycticebus tardigradua
stocky lemur of southeastern Asia
Nycticorax nycticorax
night heron of both Old and New Worlds
a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly)
Nymphalis antiopa
of temperate regions; having dark purple wings with yellow borders
Nymphicus hollandicus
small grey Australian parrot with a yellow crested head
oak blight
a black plant louse that lives on oaks and dogwoods
oceanic bird
bird of the open seas
Ochotona collaris
similar to little chief hare and may be same species
Ochotona princeps
North American pika
a cephalopod with eight arms but lacking an internal shell
Ocyurus chrysurus
superior food fish of the tropical Atlantic and Caribbean with broad yellow stripe along the sides and on the tail
odd-toed ungulate
placental mammals having hooves with an odd number of toes on each foot
Odobenus divergens
a walrus of the Bering Sea and northern Pacific
Odobenus rosmarus
a walrus of northern Atlantic and Arctic waters
Odocoileus hemionus
long-eared deer of western North America with two-pronged antlers
Odocoileus hemionus columbianus
mule deer of western Rocky Mountains
Odocoileus Virginianus
common North American deer; tail has a white underside
large primitive predatory aquatic insect having two pairs of membranous wings
Odontaspis taurus
shallow-water shark with sharp jagged teeth found on both sides of Atlantic; sometimes dangerous to swimmers
Oecanthus fultoni
pale yellowish tree cricket widely distributed in North America
Oestrus ovis
larvae are parasitic on sheep
any immature animal
oil beetle
any of various beetles that exude an oily substance from the leg joints that deters enemies
Okapia johnstoni
similar to the giraffe but smaller with much shorter neck and stripe on the legs
Old English sheepdog
large sheepdog with a profuse shaggy bluish-grey-and-white coat and short tail; believed to trace back to the Roman occupation of Britain
Old World beaver
a European variety of beaver
Old World buffalo
any of several Old World animals resembling oxen including, e.g., water buffalo; Cape buffalo
Old World chat
songbirds having a chattering call
Old World coot
a coot found in Eurasia
Old World coral snake
any of various venomous elapid snakes of Asia and Africa and Australia
Old World crayfish
small crayfish of Europe and Asia and western North America
Old World flycatcher
any of a large group of small songbirds that feed on insects taken on the wing
Old World jay
a European jay
Old World least weasel
of Europe
Old World monkey
of Africa or Arabia or Asia; having nonprehensile tails and nostrils close together
Old World oriole
mostly tropical songbird; the male is usually bright orange and black
Old World porcupine
terrestrial porcupine
Old World quail
small game bird with a rounded body and small tail
Old World scops owl
European scops owl
Old World vulture
any of several large vultures of Africa and Eurasia
Old World warbler
small active brownish or greyish Old World birds
Old world white pelican
similar to American white pelican
hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
thoroughbred that won the triple crown in 1935
extremely active cylindrical squid with short strong arms and large rhombic terminal fins
an animal that feeds on both animal and vegetable substances
Oncorhynchus keta
a large Pacific salmon with small spots on its back; an important food fish
Oncorhynchus kisutch
small salmon of northern Pacific coasts and the Great Lakes
Oncorhynchus nerka
small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning
Oncorhynchus tshawytscha
large Pacific salmon valued as food; adults die after spawning
Ondatra zibethica
beaver-like aquatic rodent of North America with dark glossy brown fur
any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms
stork with a grooved bill whose upper and lower parts touch only at the base and tip
Opheodrys aestivus
of southern and eastern United States
Opheodrys vernalis
of western and central United States
limbless scaly elongate reptile; some are venomous
Ophiodon elongatus
food fish of the northern Pacific related to greenlings
Ophiophagus hannah
large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja
Opisthocomus hoazin
crested ill-smelling South American bird whose young have claws on the first and second digits of the wings
opossum rat
terrestrial marsupials of southern South America that resemble shrews
opossum shrimp
shrimp-like crustaceans whose females carry eggs and young in a pouch between the legs
small furry Australian arboreal marsupials having long usually prehensile tails
nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
Opsanus tau
bottom-dwelling fish having scaleless slimy skin and a broad thick head with a wide mouth
orb-weaving spider
a spider that spins a circular (or near circular) web
Orcinus orca
predatory black-and-white toothed whale with large dorsal fin; common in cold seas
Ord kangaroo rat
most widely distributed kangaroo rat: plains and mountain areas of central and western United States
order Accipitriformes
in some classifications an alternative name for the Falconiformes
order Ostariophysi
in some classifications considered a superorder comprising the Cypriniformes and the Siluriformes
Orectolobus barbatus
shark of the western Pacific with flattened body and mottled skin
Oreortyx picta palmeri
California partridge; slightly larger than the California quail
Oriental scops owl
Asian scops owl
Oriolus oriolus
bright yellow songbird with black wings
herbivorous dinosaur with a pelvis like that of a bird
lightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyes
bipedal herbivorous dinosaur
Ornithorhynchus anatinus
small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
a young animal without a mother
English breed of large chickens with white skin
Orthopristis chrysopterus
found from Long Island southward
any of various insects having leathery forewings and membranous hind wings and chewing mouthparts
Orthotomus sutorius
tropical Asian warbler that stitches leaves together to form and conceal its nest
Ortilis vetula macalli
of Mexico and Texas
any of several East Indian birds
Orycteropus afer
nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
Oryctolagus cuniculus
common greyish-brown burrowing animal native to southern Europe and northern Africa but introduced elsewhere; widely domesticated and developed in various colors and for various needs; young are born naked and helpless
Oryx gazella
large South African oryx with a broad black band along its flanks
large African antelope with long straight nearly upright horns
Oryzomys palustris
hardy agile rat of grassy marshes of Mexico and the southeastern United States
passerine bird having specialized vocal apparatus
Osmerus eperlanus
the common smelt of Europe
Osmerus mordax
important marine and landlocked food fish of eastern North America and Alaska
extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic
Otis tarda
largest European land bird
freshwater carnivorous mammal having webbed and clawed feet and dark brown fur
otter hound
hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred for hunting otters
Otus asio
small North American owl having hornlike tufts of feathers whose call sounds like a quavering whistle
Ovalipes ocellatus
brightly spotted crab of sandy beaches of the Atlantic coast of the United States
small brownish South American birds that build oven-shaped clay nests
Ovibos moschatus
large shaggy-coated bovid mammal of Canada and Greenland; intermediate in size and anatomy between an ox and a sheep
advanced carnivorous theropod
Ovis ammon
wild sheep of semidesert regions in central Asia
Ovis aries
any of various breeds raised for wool or edible meat or skin
Ovis montana dalli
large white wild sheep of northwestern Canada and Alaska
Ovis musimon
wild mountain sheep of Corsica and Sardinia
Ovis vignei
bearded reddish sheep of southern Asia
young owl
an adult castrated bull of the genus Bos; especially Bos taurus
any of various wild bovines especially of the genera Bos or closely related Bibos
Oxylebius pictus
greenling with whitish body marked with black bands
Oxyura jamaicensis
reddish-brown stiff-tailed duck of North America and northern South America
Oxyuranus scutellatus
large highly venomous snake of northeastern Australia
marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
oyster catcher
black-and-white shorebird with stout legs and bill; feed on oysters etc.
oyster fish
a variety of toadfish
a horse used to set the pace in racing
a horse trained to a special gait in which both feet on one side leave the ground together
bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found
any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus
Pacific bottlenose dolphin
a bottlenose dolphin found in the Pacific Ocean
Pacific giant salamander
large (to 7 inches) salamander of western North America
Pacific newt
any of several rough-skinned newts found in western North America
Pacific spiny dogfish
dogfish of Pacific coast of North America
Pacific tree toad
the most commonly heard frog on the Pacific coast of America
Pacific tripletail
tripletail found in the Pacific
pack animal
an animal (such as a mule or burro or horse) used to carry loads
a workhorse used as a pack animal
Padda oryzivora
small finch-like Indonesian weaverbird that frequents rice fields
small reddish-brown wallabies of scrubby areas of Australia and New Guinea
Pagellus centrodontus
food fish of European coastal waters
Pagophila eburnea
white Arctic gull; migrates as far south as England and New Brunswick
Pagophilus groenlandicus
common Arctic seal; the young are all white
Pagrus pagrus
food fish of the Mediterranean and Atlantic coasts of Europe and America
Palaemon australis
large (a foot or more) edible freshwater prawn common in Australian rivers
pale chrysanthemum aphid
important pest of chrysanthemums
Paleacrita vernata
moth whose larvae are spring cankerworms
especially a light saddle horse for a woman
Pallas's cat
small wildcat of the mountains of Siberia and Tibet and Mongolia
palm cat
spotted or striped arboreal civet of southeast Asia and East Indies
Palometa simillima
smaller than Florida pompano; common in West Indies
a horse of light tan or golden color with cream-colored or white mane and tail
Pan paniscus
small chimpanzee of swamp forests in Zaire; a threatened species
Pan troglodytes
intelligent somewhat arboreal ape of equatorial African forests
Pan troglodytes schweinfurthii
long-haired chimpanzees of east-central Africa; closely related to the central chimpanzees
Pan troglodytes troglodytes
black-faced chimpanzees of central Africa; closely related to eastern chimpanzees
Pan troglodytes verus
masked or pale-faced chimpanzees of western Africa; distantly related to the eastern and central chimpanzees; possibly a distinct species
pancake turtle
voracious aquatic turtle with a flat flexible shell covered by a leathery skin; can inflict painful bites
Pandion haliaetus
large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years
Panonychus ulmi
small web-spinning mite; a serious orchard pest
a leopard in the black color phase
Panthera leo
large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male
Panthera onca
a large spotted feline of tropical America similar to the leopard; in some classifications considered a member of the genus Felis
Panthera pardus
large feline of African and Asian forests usually having a tawny coat with black spots
Panthera tigris
large feline of forests in most of Asia having a tawny coat with black stripes; endangered
Panthera uncia
large feline of upland central Asia having long thick whitish fur
paper wasp
any of several social wasps that construct nests of a substance like paper
small slender toy spaniel with erect ears and a black-spotted brown to white coat
Papio ursinus
greyish baboon of southern and eastern Africa
Paprilus alepidotus
butterfish up to a foot long of Atlantic waters from Chesapeake Bay to Argentina
Paracheirodon axelrodi
small bright red and blue aquarium fish from streams in Brazil and Colombia
any of numerous small slender long-tailed parrots
Paralichthys dentatus
flounder of eastern coast of North America
Paralichthys lethostigmus
flounder of southern United States
Paralithodes camtschatica
large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan
Paranthias furcifer
deep-sea fish of tropical Atlantic
Parascalops breweri
mole of eastern North America
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
pariah dog
ownerless half-wild mongrel dog common around Asian villages especially India
Parophrys vitulus
popular pale brown food flatfish of the Pacific coast of North America
a young salmon up to 2 years old
the young of various fishes
usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds
gaudy tropical fishes with parrotlike beaks formed by fusion of teeth
small Old World gallinaceous game birds
heavy-bodied small-winged South American game bird resembling a gallinaceous bird but related to the ratite birds
Parula americana
small grey-blue wood warbler with yellow throat and breast; of eastern North America
Parus atricapillus
chickadee having a dark crown
Parus bicolor
crested titmouse of eastern and midwestern United States
Parus caeruleus
widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head
Parus carolinensis
southern United States chickadee similar to the blackcap but smaller
Passer domesticus
small hardy brown-and-grey bird native to Europe
Passer montanus
Eurasian sparrow smaller than the house sparrow
passeriform bird
perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless
Passerina cyanea
small deep blue North American bunting
Pastor sturnus
glossy black bird with pink back and abdomen; chiefly Asian
Patella vulgata
marine limpet
Pavo cristatus
peafowl of India and Ceylon
Pavo muticus
peafowl of southeast Asia
pea crab
tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks
a young peafowl
male peafowl; having a crested head and very large fanlike tail marked with iridescent eyes or spots
female peafowl
peanut worm
small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut
found living within the alimentary canals of e.g. sea cucumbers or between the shells of pearl oysters in or near shallow seagrass beds
pearly-shelled mussel
the pearly lining of the dark shells is a source of mother-of-pearl
bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects
Pecten irradians
a small scallop inhabiting shallow waters and mud flats of the Atlantic coast of North America
Pecten magellanicus
a large scallop inhabiting deep waters of the Atlantic coast of North America
Pediculus capitis
infests the head and body of humans
Pediculus corporis
a parasitic louse that infests the body of human beings
Pediculus humanus
head or body louse
Pedioecetes phasianellus
large grouse of prairies and open forests of western North America
Pedionomus torquatus
small Australian bird related to the button quail; classified as wading bird but inhabits plains
an animal that makes short high-pitched sounds
Peking man
fossils found near Beijing, China; they were lost during World War II
a Chinese breed of small short-legged dogs with a long silky coat and broad flat muzzle
pelecaniform seabird
large fish-eating seabird with four-toed webbed feet
Pelecanus erythrorhynchos
large American pelican; white with black wing feathers
large long-winged warm-water seabird having a large bill with a distensible pouch for fish
large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America
Pembroke Welsh corgi
the smaller and straight-legged variety of corgi having pointed ears and a short tail
female swan
short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers
brown tree shrew having a naked tail bilaterally fringed with long stiff hairs on the distal third; of Malaysia
wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals
Perca flavescens
North American perch
Perca fluviatilis
a perch native to Europe
spiny-finned freshwater food and game fishes
any of numerous spiny-finned fishes of various families of the order Perciformes
one of a breed of grey or black draft horses originally used in France to draw heavy coaches or artillery
Percina tanasi
a small snail-eating perch of the Tennessee River
any of numerous spiny-finned fishes of the order Perciformes
Periplaneta americana
large reddish brown free-flying cockroach originally from southern United States but now widely distributed
Periplaneta australasiae
widely distributed in warm countries
Perisoreus canadensis
a jay of northern North America with black-capped head and no crest; noted for boldness in thievery
Perisoreus canadensis capitalis
a Canada jay with a white head; widely distributed from Montana to Arizona
Peristedion miniatum
sea robins having bony scutes on the body and barbels on the chin; found mostly on the continental slope
edible marine gastropod
Pernis apivorus
Old World hawk that feeds on bee larvae and small rodents and reptiles
Perodicticus potto
a kind of lemur
Perognathus flavescens
small rodent of open areas of United States plains states
Perognathus flavus
small pale yellowish soft-furred rodent of southwestern United States and Mexico
Perognathus hispidus
large stiff-haired rodent of shortgrass prairies of United States
Peromyscus eremicus
burrowing mouse of desert areas of southwestern United States
Peromyscus gossypinus
large dark mouse of southeastern United States
Peromyscus leucopus
American woodland mouse with white feet and underparts
Peromyscus maniculatus
brownish New World mouse; most widely distributed member of the genus
Persian cat
a long-haired breed of cat
Persian lamb
a karakul lamb
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.
a domesticated animal kept for companionship or amusement
Petaurista petaurista
East Indian flying squirrel
relatively small long-winged tube-nosed bird that flies far from land
Petromyzon marinus
large anadromous lamprey sometimes used as food; destructive of native fish fauna in the Great Lakes
Pezophaps solitaria
extinct flightless bird related to the dodo
Phalacrocorax carbo
large voracious dark-colored long-necked seabird with a distensible pouch for holding fish; used in Asia to catch fish
Phalaenoptilus nuttallii
goatsucker of western North America
Phalangium opilio
spiderlike arachnid with a small rounded body and very long thin legs
small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the Arctic and winter in the tropics
Phalaropus fulicarius
phalarope of northern oceans and lakes
Pharomacrus mocino
very rare Central American bird; the national bird of Guatemala
Phascolarctos cinereus
sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark
a kind of game bird in the family Phasianidae
Phasianus colchicus
common pheasant having bright plumage and a white neck ring
large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects
large long-tailed gallinaceous bird native to the Old World but introduced elsewhere
any of several vole-like terrestrial or arboreal rodents of cold forested regions of Canada and western United States
Philaenus spumarius
North American insect that severely damages grasses
Philomachus pugnax
common Eurasian sandpiper; the male has an erectile neck ruff in breeding season
Phlebotomus papatasii
any of various small dipterous flies; bloodsucking females can transmit sandfly fever and leishmaniasis
Phoca vitulina
small spotted seal of coastal waters of the northern hemisphere
Phocoena phocoena
the common porpoise of the northern Atlantic and Pacific
Phocoena sinus
a short porpoise that lives in the Gulf of California; an endangered species
Pholis gunnellus
slippery scaleless food fish of the northern Atlantic coastal waters
hermaphrodite wormlike animal living in mud of the sea bottom
Photoblepharon palpebratus
fish of deep dark waters having a light organ below each eye
Phoxinus phoxinus
very small European freshwater fish common in gravelly streams
Phthirius pubis
a louse that infests the pubic region of the human body
Phthorimaea operculella
greyish-brown moth whose larva is the potato tuberworm
Phthorimaea operculella
larva of potato moth; mines in leaves and stems of e.g. potatoes and tobacco
Phylloscopus sibilatrix
European woodland warbler with dull yellow plumage
Phyllostomus hastatus
a variety of leaf-nosed bat
Phylloxera vitifoleae
destructive to various grape plants
any member of the genus Physa
Physeter catodon
large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris
Pica pica hudsonia
a magpie of Rocky Mountains in North America
piciform bird
any of numerous nonpasserine insectivorous climbing birds usually having strong bills for boring wood
any of several North American species of small pike
small woodpeckers of South America and Africa and East Indies having soft rounded tail feathers
Picus viridis
woodpecker of Europe and western Asia
marine bivalve that bores into rock or clay or wood by means of saw-like shells
pied lemming
North American lemming having a white winter coat and some claws much enlarged
any of numerous pale-colored butterflies having three pairs of well-developed legs
Pieris brassicae
Old World form of cabbage butterfly
Pieris protodice
common North American form of cabbage butterfly
Pieris rapae
small widely distributed form
Pieris rapae
toxic green larva of a cabbage butterfly
wild and domesticated birds having a heavy body and short legs
a young pig
any of several elongate long-snouted freshwater game and food fishes widely distributed in cooler parts of the northern hemisphere
pike perch
any of several pike-like fishes of the perch family
tropical American fishes; males are aggressively defensive of their territory
pill bug
small terrestrial isopod with a convex segmented body that can roll up into a ball
Pinctada margaritifera
tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North America and Central America; a major source of pearls
pine sawyer
large beetle whose larvae bore holes in pine trees
pine snake
any of several bull snakes of eastern and southeastern United States found chiefly in pine woods; now threatened
pine spittlebug
North American insect that attacks pines
Pineus pinifoliae
a variety of adelgid
Pinguinus impennis
large flightless auk of rocky islands off northern Atlantic coasts; extinct
Pinicola enucleator
large grosbeak of coniferous forests of Old and New Worlds
aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers
Pinnotheres ostreum
tiny soft-bodied crab living within the mantle cavity of oysters
any of three breeds of dogs whose ears and tail are usually cropped
a spotted or calico horse or pony
Pipa americana
a South American toad; incubates its young in pits in the skin of its back
Pipilo erythrophthalmus
common towhee of eastern North America
piping guan
a kind of guan
Pipistrellus pipistrellus
small European brown bat
Pipistrellus subflavus
one of the smallest bats of eastern North America
Piranga flava hepatica
common tanager of southwestern United States and Mexico
Piranga ludoviciana
of western North America; male is black and yellow and orange-red
Piranga olivacea
the male is bright red with black wings and tail
Piranga rubra
of middle and southern United States; male is deep rose-red the female mostly yellow
primitive dinosaur found in Argentina
pistol shrimp
small shrimp that makes a snapping noise with one of their enlarged chelae
pit viper
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
Pithecanthropus erectus
former genus of primitive apelike men now Homo erectus
any bird of the genus Pitta; brilliantly colored chiefly terrestrial birds with short wings and tail and stout bills
Pituophis melanoleucus
bull snake of western North America that invades rodent burrows
Pitymys pinetorum
short-tailed glossy-furred burrowing vole of the eastern United States
fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
Placuna placenta
marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell
free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
Planococcus citri
feeds on a wide variety of cultivated plants but especially destructive to citrus
plant hopper
related to the leafhoppers and spittlebugs but rarely damages cultivated plants
Plantation walking horse
a horse marked by stamina and trained to move at a fast running walk
an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beings
the flat ciliated free-swimming larva of hydrozoan coelenterates
Platalea leucorodia
pure white crested spoonbill of southern Eurasia and northeastern Africa
Platichthys flesus
important food fish of Europe
ctenophore have long tentacles and flattened body
Platypoecilus maculatus
small stocky Mexican fish; popular aquarium fish
Plautus alle
small short-billed auk abundant in Arctic regions
primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones
Plecotus townsendi
bat of western North America having extremely large ears
tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines
in some former classifications: name for the Ephemeroptera
Plectrophenax nivalis
white Arctic bunting
extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
Plethodon cinereus
common salamander of eastern North America
Plethodon vehiculum
salamander of the Pacific coast of North America
an animal having teeth fused with the inner surface of the alveolar ridge without sockets
Pleuronectes platessa
large European food fish
Plicatoperipatus jamaicensis
a kind of onychophoran
Ploceus philippinus
common Indian weaverbird
Plott hound
a brindle-coated American hound used in hunting bears and wild boars
plough horse
a horse used to pull a plow
any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers
Pluvianus aegyptius
African courser that feeds on insect parasites on crocodiles
Plymouth Rock
an American breed of domestic fowl
small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters
pocket mouse
any of various small nocturnal burrowing desert rodents with cheek pouches and long hind legs and tail
pocket rat
any of various rodents with cheek pouches
Podiceps cristatus
large Old World grebe with black ear tufts
Podiceps grisegena
large stocky grebe of circumpolar regions having a dark neck
Podiceps nigricollis
small grebe with yellow ear tufts and a black neck; found in Eurasia and southern Africa as well as western United States
Podiceps ruficollis
small European grebe
podicipitiform seabird
aquatic birds related to the loons
Podilymbus podiceps
American grebe having a black-banded whitish bill
Poecilocapsus lineatus
yellow or orange leaf bug with four black stripes down the back; widespread in central and eastern North America
Poecilogale albinucha
small slender burrowing muishond with white top of the head
Poephila castanotis
small Australian weaverbird with markings like a zebra's
pole horse
the horse having a starting position next to the inside rail in a harness race
pole horse
a draft horse harnessed alongside the shaft or pole of a vehicle
American musteline mammal typically ejecting an intensely malodorous fluid when startled; in some classifications put in a separate subfamily Mephitinae
police dog
any dog trained to assist police especially in tracking
Polistes annularis
a variety of paper wasp
a tame parrot
Pollachius pollachius
important food and game fish of northern seas (especially the northern Atlantic); related to cod
a usually horned animal that has either shed its horns or had them removed
an insect that carries pollen from one flower to another
a larval frog or toad
polo pony
a small agile horse specially bred and trained for playing polo
Polyborus cheriway audubonii
widespread from southern United States to Central America; rusty black with black-and-white breast and tail
Polyborus plancus
South American caracara
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
Polydactylus virginicus
found along western Atlantic coast
Polyergus rufescens
small reddish slave-making ant species
Polygonia comma
anglewing butterfly with a comma-shaped mark on the underside of each hind wing
Polyodon spathula
primitive fish of the Mississippi valley having a long paddle-shaped snout
one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth
Polyprion americanus
brown fish of the Atlantic and Mediterranean found around rocks and shipwrecks
Pomacentrus leucostictus
a blue and yellow damselfish of Bermuda and Florida and the West Indies
Pomatomus saltatrix
bluish warm-water marine food and game fish that follow schools of small fishes into shallow waters
breed of very small compact long-haired dogs of the spitz type
Pomolobus pseudoharengus
shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus
Pomoxis annularis
a crappie that is white
Pomoxis nigromaculatus
a crappie that is black
any of several deep-bodied food fishes of western Atlantic and Gulf of Mexico
long-legged bug that skims about on the surface of water
Pongo pygmaeus
large long-armed ape of Borneo and Sumatra having arboreal habits
any of various breeds of small gentle horses usually less than five feet high at the shoulder
an informal term for a racehorse
a range horse of the western United States
an intelligent dog with a heavy curly solid-colored coat that is usually clipped; an old breed sometimes trained as sporting dogs or as performing dogs
Pooecetes gramineus
common North American finch noted for its evening song
Popillia japonica
small metallic green and brown beetle native to eastern Asia; serious plant pest in North America
an archaic term for a parrot
important deep-bodied food and sport fish of warm and tropical coastal waters; found worldwide
a pig fattened to provide meat
Poronotus triacanthus
small food fish of Atlantic coast
Porphyrio porphyrio
purple gallinule of southern Europe
Porphyrula martinica
American purple gallinule
any of several small gregarious cetacean mammals having a blunt snout and many teeth
Portuguese man-of-war
large siphonophore having a bladderlike float and stinging tentacles
Porzana porzana
Eurasian rail of swamps and marshes
post horse
a horse kept at an inn or post house for use by mail carriers or for rent to travelers
Potamogale velox
amphibious African insectivorous mammal that resembles an otter
Potamophis striatula
in some classifications placed in genus Haldea; small reddish-grey snake of eastern North America
Australian rat kangaroos
Potos caudivolvulus
arboreal fruit-eating mammal of tropical America with a long prehensile tail
potter bee
solitary bee that builds nests of mud or pebbles cemented together and attached to a plant
potter wasp
any of various solitary wasps that construct vase-shaped cells of mud for their eggs
one of a breed of pigeon that enlarge their crop until their breast is puffed out
prairie chicken
brown mottled North American grouse of western prairies
prairie dog
any of several rodents of North American prairies living in large complex burrows having a barking cry
a mettlesome or fiery horse
shrimp-like decapod crustacean having two pairs of pincers; most are edible
colonial siphonophore of up to 130 ft long
any animal that lives by preying on other animals
animal hunted or caught for food
Priacanthus arenatus
brightly colored carnivorous fish of western Atlantic and West Indies waters
male deer in his second year
small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines
small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research
any placental mammal of the order Primates; has good eyesight and flexible hands and feet
Priodontes giganteus
about three feet long exclusive of tail
Prionace glauca
slender cosmopolitan, pelagic shark; blue body shades to white belly; dangerous especially during maritime disasters
Prionotus carolinus
large searobin; found from Nova Scotia to Florida
Pristis pectinatus
commonly found in tropical bays and estuaries; not aggressive
massive herbivorous mammals having tusks and a long trunk
Procavia capensis
hyrax that lives in rocky areas
Procellaria aequinoctialis
large black petrel of southern seas having a white mark on the chin
procellariiform seabird
large long-winged bird with hooked bill and tubular nostrils that wanders the open seas
Prociphilus tessellatus
attacks alders
an anthropoid ape of the genus Proconsul
Procyon cancrivorus
a South American raccoon
Procyon lotor
North American raccoon
plantigrade carnivorous mammals
Progne subis
large North American martin of which the male is blue-black
primitive primates having large ears and eyes and characterized by nocturnal habits
Prosopium cylindraceum
a whitefish with a bronze back; of northern North America and Siberia
Proteles cristata
striped hyena of southeast Africa that feeds chiefly on insects
Proteus anguinus
European aquatic salamander with permanent external gills that lives in caves
most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
small horned dinosaur
Pliocene horse approaching donkeys in size
probably warm-blooded; considered direct ancestor of mammals
primitive oviparous mammals found only in Australia and Tasmania and New Guinea
any of several minute primitive wingless and eyeless insects having a cone-shaped head; inhabit damp soil or decaying organic matter
Prunella modularis
small brownish European songbird
Psetta maxima
a large brownish European flatfish
Psettichthys melanostichus
a common flatfish of the Pacific coast of North America
Pseudaletia unipuncta
moth whose destructive larvae travel in multitudes
Pseudaletia unipuncta
noctuid moth larvae that travel in multitudes destroying especially grass and grain
Pseudechis porphyriacus
large semiaquatic snake of Australia; black above with red belly
Pseudemys concinna
large river turtle of the southern United States and northern Mexico
Pseudemys rubriventris
freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell
Pseudemys scripta
freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
Pseudococcus comstocki
Asiatic insect introduced accidentally into United States; pest on citrus and apple trees
Pseudococcus fragilis
destructive especially to citrus
Pseudopleuronectes americanus
important American food fish in the winter
Pseudoryx nghetinhensis
cow-like creature with the glossy coat of a horse and the agility of a goat and the long horns of an antelope; characterized as a cow that lives the life of a goat
primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
Psittacula krameri
African parakeet
Psittacus erithacus
commonly domesticated grey parrot with red-and-black tail and white face; native to equatorial Africa
small winged insect living on the bark and leaves of trees and feeding on e.g. fungi and decaying plant matter
psocopterous insect
small soft-bodied insect with chewing mouthparts and either no wings or two pairs
a fly of the family Psychodidae
large Arctic and subarctic grouse with feathered feet and usually white winter plumage
Pternohyla fodiens
terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest
Pterocles alchata
sandgrouse of Europe and Africa having elongated middle tail feathers
Pterocles indicus
sandgrouse of India
Pterocnemia pennata
smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan
extinct flying reptile
Pteropus capestratus
a variety of fruit bat
Pteropus hypomelanus
a variety of fruit bat
Ptilonorhynchus violaceus
of southeast Australia; male is glossy violet blue; female is light grey-green
Ptloris paradisea
velvety black Australian bird of paradise with green and purple iridescence on head and tail
Ptychozoon homalocephalum
a gecko that has membranous expansions along the sides of its body and limbs and tail that enable it to glide short distances
brownish tropical American bird having a large head with fluffed out feathers
any of two genera of northern seabirds having short necks and brightly colored compressed bills
Puffinus puffinus
small black-and-white shearwater common in the northeastern Atlantic
small compact smooth-coated breed of Asiatic origin having a tightly curled tail and broad flat wrinkled muzzle
Pulex irritans
the most common flea attacking humans
young hen usually less than a year old
young of any of various canines such as a dog or wolf
an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult
a young dog
a pedigreed animal of unmixed lineage; used especially of horses
purple gallinule
gallinules with showy purplish plumage
any of various small spiderlike marine arthropods having small thin bodies and long slender legs
Pygoscelis adeliae
medium-sized penguins occurring in large colonies on the Adelie Coast of Antarctica
Pylodictus olivaris
large catfish of central United States having a flattened head and projecting jaw
usually tropical slender-bodied long-legged moth whose larvae are crop pests
Pyrausta nubilalis
larva of the European corn borer moth; a serious pest of maize
Pyrocephalus rubinus mexicanus
tropical American flycatcher found as far north as southern Texas and Arizona; adult male has bright scarlet and black plumage
Pyrophorus noctiluca
tropical American click beetle having bright luminous spots
Pyrrhula pyrrhula
common European finch mostly black and white with red throat and breast
Pyrrhuloxia sinuata
crested grey-and-red bird of southwest United States and Mexico
large Old World boas
Python molurus
very large python of southeast Asia
Python reticulatus
of southeast Asia and East Indies; the largest snake in the world
Python sebae
very large python of tropical and southern Africa
child's word for a duck
an animal especially a mammal having four limbs specialized for walking
small gallinaceous game birds
quarter horse
a small powerful horse originally bred for sprinting in quarter-mile races in Virginia
the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs
queen bee
fertile egg-laying female bee
an especially large mole rat and the only member of a colony of naked mole rats to bear offspring which are sired by only a few males
female cat
large trogon of Central America and South America having golden-green and scarlet plumage
Quiscalus quiscula
eastern United States grackle
rabbit ears
the long ears of a rabbit
an omnivorous nocturnal mammal native to North America and Central America
an animal that races
slender fast-moving North American snakes
Rachycentron canadum
large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters
any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud
Raja batis
common European skate used as food
Raja erinacea
most plentiful skate in North American inshore waters in summer; to 21 inches
Raja laevis
one of the largest skates (to 5 feet); an active skate easy to hook
Raja radiata
cold-water bottom fish with spines on the back; to 40 inches
uncastrated adult male sheep
hardy sheep developed from the merino producing both good mutton and fine wool
Rana cascadae
mountain frog found near water; of United States Northwest to California
Rana catesbeiana
largest North American frog; highly aquatic with a deep-pitched voice
Rana clamitans
similar to bullfrog; found in or near marshes and ponds; of United States and Canada
Rana goliath
largest living frog; up to a foot and weighing up to 10 lbs; Africa
Rana palustris
a meadow frog of eastern North America
Rana pipiens
common North American green or brownish frog having white-edged dark oval spots
Rana sylvatica
wide-ranging light-brown frog of moist North American woodlands especially spruce
Rana tarahumarae
Mexican frog found within a jump or two of water
Rana temporaria
a common semiterrestrial European frog
range animal
any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)
Rangifer arcticus
of tundra of northern Canada; in some classifications included in the species Rangifer tarandus
Rangifer caribou
any of several large caribou living in coniferous forests of southern Canada; in some classifications included in the species Rangifer tarandus
Rangifer tarandus
Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America
insectivorous usually semiaquatic web-footed amphibian with smooth moist skin and long hind legs
Raphicerus campestris
small plains antelope of southeastern Africa
Raphus cucullatus
extinct heavy flightless bird of Mauritius related to pigeons
any of various long-tailed rodents similar to but larger than a mouse
rat snake
any of various nonvenomous rodent-eating snakes of North America and Asia
rat terrier
any of several breeds of terrier developed to catch rats
pit viper with horny segments at the end of the tail that rattle when shaken
Rattus norvegicus
common domestic rat; serious pest worldwide
Rattus rattus
common household pest originally from Asia that has spread worldwide
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
razor fish
any of several small wrasses with compressed sharp-edged heads of the West Indies and Mediterranean
a mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States
any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
red coral
corals of especially the Mediterranean having pink or red color used for ornaments and jewelry
red poll
hornless short-haired breed of beef and dairy cattle
redback vole
any of several voles of mountainous regions of Eurasia and America
a speedy red or red-and-tan American hound
male salmon that has recently spawned
North American sucker with reddish fins
European songbird with a reddish breast and tail; related to Old World robins
female ruff
Regalecus glesne
thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin
Regulus calendula
American kinglet with a notable song and in the male a red crown patch
Regulus regulus
European kinglet with a black-bordered yellow crown patch
Regulus satrata
American golden-crested kinglet
Remilegia australis
large blue Pacific remora that attaches to whales and dolphins
marine fishes with a flattened elongated body and a sucking disk on the head for attaching to large fish or moving objects
a fresh horse especially (formerly) to replace one killed or injured in battle
any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
requiem shark
any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species
Reticulitermes flanipes
destructive United States termite
Reticulitermes lucifugus
destructive European termite
a dog with heavy water-resistant coat that can be trained to retrieve game
a conventional name for a fox used in tales following usage in the old epic `Reynard the Fox'
Rhagoletis pomonella
larvae bore into and feed on apples
Rhea americana
larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
Rhincodon typus
large spotted shark of warm surface waters worldwide; resembles a whale and feeds chiefly on plankton
massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
Rhinoceros antiquitatis
extinct thick-haired species of Arctic regions
rhinoceros beetle
any of various large chiefly tropical beetles having horns on the head; pest on coconuts
Rhinoceros unicornis
having one horn
Rhinonicteris aurantius
a common bat of northwestern Australia having orange or yellow fur
Rhinoptera bonasus
large ray found along eastern coast of North America
Rhode Island red
American breed of heavy-bodied brownish-red general-purpose chicken
Rhodesian ridgeback
a powerful short-haired African hunting dog having a crest of reversed hair along the spine
Rhyacotriton olympicus
small large-eyed semiaquatic salamander of the United States Northwest
Rhynchoelaps australis
small venomous but harmless snake marked with black-and-white on red
marine fish having a long compressed ribbonlike body
Richardson ground squirrel
of sagebrush and grassland areas of western United States and Canada
Richmondena Cardinalis
crested thick-billed North American finch having bright red plumage in the male
a colt with undescended testicles
a marine turtle
right whale
large Arctic whalebone whale; allegedly the `right' whale to hunt because of its valuable whalebone and oil
righteye flounder
flounders with both eyes on the right side of the head
ring snake
any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
any of various butterflies belonging to the family Satyridae
an immature golden eagle
Riparia riparia
swallow of the northern hemisphere that nests in tunnels dug in clay or sand banks
river dolphin
any of several long-snouted usually freshwater dolphins of South America and southern Asia
found in small streams of tropical America; often kept in aquariums; usually hermaphroditic
a horse having a brownish coat thickly sprinkled with white or gray
a kind of percoid fish
robber frog
small terrestrial frog of tropical America
Roccus saxatilis
marine food and game fish with dark longitudinal stripes; migrates upriver to spawn; sometimes placed in the genus Morone
Rock Cornish
small plump hybrid developed by crossbreeding Plymouth Rock and Cornish fowl
rock kangaroo
slender long-legged Australian wallabies living in caves and rocky areas
marine food fish found among rocks along the northern coasts of Europe and America
Rocky Mountain bighorn
wild sheep of mountainous regions of western North America having massive curled horns
Rocky Mountain goat
sure-footed mammal of mountainous northwestern North America
Rocky Mountain whitefish
whitefish of the western United States and Canada
Rodolia cardinalis
native to Australia; introduced elsewhere to control scale insects
male roe deer
rogue elephant
a wild and vicious elephant separated from the herd
Old World bird that tumbles or rolls in flight; related to kingfishers
pigeon that executes backward somersaults in flight or on the ground
minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
German breed of large vigorous short-haired cattle dogs
rough fish
any fish useless for food or sport or even as bait
rove beetle
active beetle typically having predatory or scavenging habits
stag with antlers of 12 or more branches
any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments
Rupicapra rupicapra
hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips
Rupicola peruviana
bird of the Andes similar to Rupicola rupicola
Rupicola rupicola
tropical bird of northern South America the male having brilliant red or orange plumage and an erectile disklike crest
Russian wolfhound
tall fast-moving dog breed
rust mite
any of several varieties of mite that burrow into plants and cause a reddish-brown discoloration on the leaves or fruit
Rutilus rutilus
European freshwater food fish having a greenish back
Ruvettus pretiosus
very large deep-water snake mackerel
any of many extinct cats of the Old and New Worlds having long swordlike upper canine teeth; from the Oligocene through the Pleistocene
any arrowworm of the genus Sagitta
Sagittarius serpentarius
large long-legged African bird of prey that feeds on reptiles
Saiga tatarica
goat-like antelope of central Eurasia having a stubby nose like a proboscis
large pelagic game fish having an elongated upper jaw and long dorsal fin that resembles a sail
Saimiri sciureus
small long-tailed monkey of Central American and South America with greenish fur and black muzzle
Saint Bernard
a Swiss alpine breed of large powerful dog with a thick coat of hair used as a rescue dog
small arboreal monkey of tropical South America with long hair and bushy nonprehensile tail
any of various typically terrestrial amphibians that resemble lizards and that return to water only to breed
Salamandra atra
ovoviviparous amphibian of the Alps
Salamandra maculosa
European salamander having dark skin with usually yellow spots
Salmo gairdneri
found in Pacific coastal waters and streams from lower California to Alaska
Salmo trutta
speckled trout of European rivers; introduced in North America
any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn
soft-finned fishes of cold and temperate waters
minute floating marine tunicate having a transparent body with an opening at each end
Salpinctes obsoletus
wren inhabiting badlands and mesa country of western United States and Mexico
old breed of tall swift keen-eyed hunting dogs resembling greyhounds; from Egypt and southwestern Asia
Salvelinus alpinus
small trout of northern waters; landlocked populations in Quebec and northern New England
Salvelinus fontinalis
North American freshwater trout; introduced in Europe
Salvelinus namaycush
large fork-tailed trout of lakes of Canada and the northern United States
Samia cynthia
large green silkworm of the cynthia moth
Samia walkeri
large Asiatic moth introduced into the United States; larvae feed on the ailanthus
Siberian breed of white or cream-colored dog of the spitz family
sand cat
a desert wildcat
sand dab
small food fishes of the Pacific coast of North America
sand dollar
flattened disklike sea urchins that live on sandy bottoms
sand grouse
pigeon-like bird of arid regions of the Old World having long pointed wings and tail and precocial downy young
sand rat
small nearly naked African mole rat of desert areas
sand snake
small North American burrowing snake
sand stargazer
small pallid fishes of shoal tropical waters of North America and South America having eyes on stalks atop head; they burrow in sand to await prey
either of two small silvery scaleless fishes of the northern Pacific that burrow into sand
any of numerous usually small wading birds having a slender bill and piping call; closely related to the plovers
Santa Gertrudis
Brahman and shorthorn crossbreed of red cattle; hardy in hot regions
small American woodpecker that feeds on sap from e.g. apple and maple trees
Sarcophaga carnaria
fly whose larvae feed on carrion or the flesh of living animals
Sarcophilus hariisi
small ferocious carnivorous marsupial having a mostly black coat and long tail
Sarcorhamphus papa
large black-and-white vulture of South America and Central America; have colorful wattles and wartlike protuberances on head and neck
Sarda chiliensis
common bonito of Pacific coast of the Americas; its dark oily flesh cans well
Sardina pilchardus
small fishes found in great schools along coasts of Europe; smaller and rounder than herring
any of various small edible herring or related food fishes frequently canned
Sardinops caerulea
small pilchards common off the pacific coast of North America
sargassum fish
small fantastically formed and colored fishes found among masses of sargassum
Saturnia pavonia
large moth of temperate forests of Eurasia having heavily scaled transparent wings
large brightly colored and usually tropical moth; larvae spin silken cocoons
any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs
herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile
Sauromalus obesus
a herbivorous lizard that lives among rocks in the arid parts of southwestern United States and Mexico
very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs; largest known land animal
sausage dog
informal term
primitive ray with sharp teeth on each edge of a long flattened snout
insect whose female has a saw-like ovipositor for inserting eggs into the leaf or stem tissue of a host plant
any of several beetles whose larvae bore holes in dead or dying trees especially conifers
Saxicola rubetra
brown-and-buff European songbird of grassy meadows
Saxicola torquata
common European chat with black plumage and a reddish-brown breast
Sayornis phoebe
small dun-colored North American flycatcher
any of a number of fishes of the family Carangidae
scale insect
small homopterous insect that usually lives and feeds on plants and secretes a protective waxy covering
Scaphiopus bombifrons
this spadefoot toad lives in plains and hills and river bottoms in areas of low rainfall east of the Rocky Mountains
Scaphiopus hammondii
this spadefoot toad live in California
Scaphiopus multiplicatus
this spadefoot toad lives in the southwestern United States
burrowing marine mollusk
any of numerous species of stout-bodied beetles having heads with horny spikes
Scarabaeus sacer
scarabaeid beetle considered divine by ancient Egyptians
Scardinius erythrophthalmus
European freshwater fish resembling the roach
Scartella cristata
inhabits both coasts of tropical Atlantic
any animal that feeds on refuse and other decaying organic matter
Sceloglaux albifacies
almost extinct owl of New Zealand
Sceloporus graciosus
a ground dweller that prefers open ground and scattered low bushes; of United States west between Rocky and Sierra Nevada Mountains
Sceloporus occidentalis
common western lizard; seen on logs or rocks
Sceloporus undulatus
small active lizard of United States and north to British Columbia
breed of small stocky black dogs originally used as watchdogs on boats in the Netherlands and Belgium
old German breed of sturdy black or greyish wire-haired terriers having a blunt muzzle ranging in size from fairly small to very large; used as ratters and guard dogs or police dogs
young Atlantic cod or haddock especially one split and boned for cooking
Sciaena antarctica
large important food fish of Australia; almost indistinguishable from the maigre
Sciaena aquila
large European marine food fish
widely distributed family of carnivorous percoid fishes having a large air bladder used to produce sound
Sciaenops ocellatus
large edible fish found off coast of United States from Massachusetts to Mexico
alert agile lizard with reduced limbs and an elongated body covered with shiny scales; more dependent on moisture than most lizards; found in tropical regions worldwide
Sciurus carolinensis
common medium-large squirrel of eastern North America; now introduced into England
Sciurus griseus
large grey squirrel of far western areas of United States
Sciurus niger
exceptionally large arboreal squirrel of eastern United States
Sciurus vulgaris
common reddish-brown squirrel of Europe and parts of Asia
Scolopax rusticola
short-legged long-billed migratory Old World woodcock
Scolytus multistriatus
a vector of the fungus causing Dutch elm disease
Scomber japonicus
small mackerel found nearly worldwide
Scomber scombrus
important food fish of the northern Atlantic and Mediterranean; its body is greenish-blue with dark bars and small if any scales
Scomberesox saurus
slender long-beaked fish of temperate Atlantic waters
Scomberomorus cavalla
large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil
Scomberomorus maculatus
a large commercially important mackerel of the Atlantic coastal waters of North America
Scomberomorus regalis
large edible mackerel of temperate United States coastal Atlantic waters
Scomberomorus sierra
a Spanish mackerel of western North America
important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters
large black diving duck of northern parts of the northern hemisphere
Scophthalmus aquosus
very thin translucent flounder of the Atlantic coast of North America
Scophthalmus rhombus
European food fish
scops owl
any of several small owls having ear tufts and a whistling call
Scorpaena grandicornis
a kind of scorpionfish
any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific
fishes having the head armored with bony plates
arachnid of warm dry regions having a long segmented tail ending in a venomous stinger
scorpion fish
marine fishes having a tapering body with an armored head and venomous spines
scorpion fly
any of various mecopterous insects of the family Panorpidae of the northern hemisphere having a long beak and long antennae; males have a tail like that of a scorpion except it is not venomous
scorpion shell
any of numerous tropical marine snails that as adults have the outer lip of the aperture produced into a series of long curved spines
Scottish deerhound
very large and tall rough-coated dog bred for hunting deer; known as the royal dog of Scotland
Scottish terrier
old Scottish breed of small long-haired usually black terrier with erect tail and ears
gooselike aquatic bird of South America having a harsh trumpeting call
screech owl
any owl that has a screeching cry
scrub bird
small fast-running Australian bird resembling a wren and frequenting brush or scrub
any of numerous spiny large-headed usually scaleless scorpaenoid fishes with broad mouths
Scutigera coleoptrata
long-legged centipede common in damp places as e.g. cellars
Scutigerella immaculata
minute arthropod often infesting the underground parts of truck-garden and greenhouse crops
any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle
sea bass
any of various food and sport fishes of the Atlantic coast of the United States having an elongated body and long spiny dorsal fin
sea bird
a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
sea catfish
any of numerous marine fishes most of which are mouthbreeders; not used for food
sea chub
schooling fishes mostly of Indian and western Pacific oceans; two species in western Atlantic
sea cow
any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
sea duck
any of various large diving ducks found along the seacoast: eider; scoter; merganser
sea eagle
any of various large eagles that usually feed on fish
sea fan
corals having a treelike or fan-shaped horny skeleton
sea feather
corals forming featherlike colonies
sea gooseberry
ctenophore having a rounded body with longitudinal rows of cilia
sea horse
small fish with horse-like heads bent sharply downward and curled tails; swim in upright position
sea horse
either of two large northern marine mammals having ivory tusks and tough hide over thick blubber
sea lily
crinoid with delicate radiating arms and a stalked body attached to a hard surface
sea lion
any of several large eared seals of the northern Pacific related to fur seals but lacking their valuable coat
sea louse
marine isopod crustacean
sea mouse
any of several large worms having a broad flattened body with a mat of coarse hairs covering the back
sea pen
fleshy featherlike warm-water colonies
sea robin
American gurnard; mostly found in bays and estuaries
sea snake
any of numerous venomous aquatic viviparous snakes having a fin-like tail; of warm littoral seas; feed on fish which they immobilize with quick-acting venom
sea squirt
ascidian that can contract its body and eject streams of water
sea star
echinoderms characterized by five arms extending from a central disk
sea trout
any of several sciaenid fishes of North American coastal waters
sea trout
silvery marine variety of brown trout that migrates to fresh water to spawn
sea urchin
shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
any of numerous marine mammals that come on shore to breed; chiefly of cold regions
Sealyham terrier
a wire-haired terrier with short legs that was first bred in Sealyham
any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moon shells; neritids
Seattle Slew
thoroughbred that won the triple crown in 1977
Sebastodes caurinus
a rockfish of the Pacific coastal waters of North America
Sebastodes marinus
large fish of northern Atlantic coasts of America and Europe
Sebastodes miniatus
a commercially important fish of the Pacific coast of North America
Sebastodes ruberrimus
a large fish of the Pacific coast of North America
thoroughbred that won the triple crown in 1973
seed beetle
a small beetle that infests the seeds of legumes
seed oyster
a young oyster especially of a size for transplantation
Seeing Eye dog
(trademark) a guide dog trained to guide a blind person
Seiurus aurocapillus
American warbler; builds a dome-shaped nest on the ground
seizure-alert dog
a dog that can alert or assist people with seizure disorders
Selar crumenophthalmus
of Atlantic coastal waters; commonly used for bait
Selenarctos thibetanus
bear with a black coat living in central and eastern Asia
Selene setapinnis
any of several silvery marine fishes with very flat bodies
Selene vomer
similar to moonfish but with eyes high on the truncated forehead
Semnopithecus entellus
langur of southern Asia; regarded as sacred in India
any of four Swiss breeds
any of various brown and yellow finches of parts of Europe
Serinus canaria
native to the Canary Islands and Azores; popular usually yellow cage bird noted for its song
Seriola dorsalis
game fish of southern California and Mexico having a yellow tail fin
Seriola grandis
large game fish of Australia and New Zealand
Seriola zonata
fish having the habit of following ships; found in North American and South American coastal waters
Seriphus politus
silvery and bluish drumfish of shallow California coastal waters
short-horned dark-coated goat antelope of mountain areas of southern and southeastern Asia
marine food sport fishes mainly of warm coastal waters
Serranus subligarius
found in warm shallow waters of western Atlantic
feathery colony of long-branched stems bearing stalkless paired polyps
Setophaga ruticilla
flycatching warbler of eastern North America the male having bright orange on sides and wings and tail
a long-haired dog formerly trained to crouch on finding game but now to point
sewer rat
brown rat commonly found in sewers
herring-like food fishes that migrate from the sea to fresh water to spawn
any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
long-winged oceanic bird that in flight skims close to the waves
woolly usually horned ruminant mammal related to the goat
sheep dog
any of various usually long-haired breeds of dog reared to herd and guard sheep
sheep frog
mostly of Central America
Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill
female sheldrake
Shetland pony
breed of very small pony with long shaggy mane and tail
Shetland sheep dog
a small sheepdog resembling a collie that was developed in the Shetland Islands
a Chinese breed of small dog similar to a Pekingese
any of numerous small silvery North American cyprinid fishes especially of the genus Notropis
wormlike marine bivalve that bores into wooden piers and ships by means of drill-like shells
British breed of large heavy draft horse
shrew mole
slender mole having a long snout and tail
small mouselike mammal with a long snout; related to moles
any of numerous Old World birds having a strong hooked bill that feed on smaller animals
small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible
slender tropical shallow-water East Indian fish covered with transparent plates
Sialis lutaria
dark-colored insect having predaceous aquatic larvae
Siamese cat
a slender short-haired blue-eyed breed of cat having a pale coat with dark ears paws face and tail tip
Siberian husky
breed of sled dog developed in northeastern Siberia; they resemble the larger Alaskan malamutes
Sigmodon hispidus
destructive long-haired burrowing rat of southern North America and Central America
any of various young herrings (other than brislings) canned as sardines in Norway
the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin
silver fox
red fox in the color phase when its pelt is tipped with white
an adult male gorilla with grey hairs across the back
a silvery variety of Carassius auratus
small fishes having a silver stripe along each side; abundant along the Atlantic coast of the United States
butterfly with silver spots on the underside of the hind wings
Silvia atricapilla
small brownish-grey warbler with a black crown
an ape or monkey
sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birds
a floating or swimming oceanic colony of polyps often transparent or showily colored
Sir Barton
thoroughbred that won the triple crown in 1919
male parent of an animal especially a domestic animal such as a horse
eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills
Sistrurus catenatus
pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
Sistrurus miliaris
small pygmy rattlesnake
Sitophylus oryzae
brown weevil that infests stored grain especially rice
Sitotroga cerealella
small moth whose larvae feed on kernels of stored grains
Sitta canadensis
bluish-grey nuthatch with reddish breast; of northern coniferous forests
Sitta carolinensis
bluish-grey nuthatch with black head and white breast; of eastern North America
fossil primates found in India
large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
skeleton shrimp
small amphipod crustacean having a grotesque form suggestive of the praying mantis; found chiefly on seaweed
gull-like seabird that flies along the surface of the water with an elongated lower mandible immersed to skim out food
Skye terrier
Scottish breed of terrier with shaggy hair and long low body with short legs; native to the Isle of Skye
any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats
slave ant
any of various ants captured as larvae and enslaved by another species
an ant that attacks colonies of other ant species and carries off the young to be reared as slave ants
sled dog
a dog trained to draw a sled usually in a team
tropical fish that resembles a goby and rests quietly on the bottom in shallow water
slender salamander
any of several small slim salamanders of the Pacific coast of the United States
any of several slow-moving arboreal mammals of South America and Central America; they hang from branches back downward and feed on leaves and fruits
any of various terrestrial gastropods having an elongated slimy body and no external shell
small trout-like silvery marine or freshwater food fishes of cold northern waters
Smiledon californicus
North American sabertooth; culmination of sabertooth development
smooth dogfish
small bottom-dwelling shark found along both Atlantic coasts
smooth-haired fox terrier
a fox terrier with smooth hair
freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell
predatory insect of western North America having a long necklike prothorax
any of several large sharp-toothed marine food and sport fishes of the family Lutjanidae of mainly tropical coastal waters
snapping turtle
large aggressive freshwater turtle with powerful jaws
Old or New World straight-billed game bird of the sandpiper family; of marshy areas; similar to the woodcocks
large tropical American food and game fishes of coastal and brackish waters; resemble pike
snout beetle
small weevil having a prolonged snout; destructive to e.g. grains and nuts
snow goose
blue goose in the white color phase
fishes with slimy mucus-covered skin; found in the warm Atlantic coastal waters of America
social insect
an insect that lives in a colony with other insects of the same species
soft scale
an insect active in all stages
soft-coated wheaten terrier
Irish breed of medium-sized terrier with an abundant coat any shade of wheat and very hairy head and muzzle
soft-shell crab
edible crab that has recently molted and not yet formed its new shell
a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony
the larger squirrelfishes
right-eyed flatfish; many are valued as food; most common in warm seas especially European
Solea lascaris
small European sole
a dull grey North American thrush noted for its beautiful song
Solo man
early man of late Pleistocene; skull resembles that of Neanderthal man but with smaller cranial capacity; found in Java
any bird having a musical call
Sonora semiannulata
small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
Sorex araneus
common American shrew
Sorex cinereus
commonest shrew of moist habitats in North America
a horse of a brownish orange to light brown color
South American poison toad
a South American toad
South American sea lion
of the southern coast of South America
an adult female hog
sow bug
terrestrial isopod having an oval segmented body (a shape like a sow)
a burrowing toad of the northern hemisphere with a horny spade-like projection on each hind foot
any of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled ears
Spanish fly
green beetle of southern Europe
Spanish mackerel
medium-sized mackerel of temperate Atlantic and Gulf of Mexico
Spanish mackerel
any of several large marine food fishes of the genus Scomberomorus
Spanish pointer
a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game
spiny-finned food fishes of warm waters having well-developed teeth
any of several small dull-colored singing birds feeding on seeds or insects
a young oyster or other bivalve
a female fish at spawning time
any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced; worldwide but rare
spearnose bat
New World bat with a pointed nose leaf; found from southern United States to Paraguay
Sphecius speciosis
large black or rust-colored wasp that preys on cicadas
any of various solitary wasps
sphenisciform seabird
flightless cold-water seabirds: penguins
Spheniscus demersus
small penguin of South America and southern Africa with a braying call
Sphenodon punctatum
only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
Sphyraena barracuda
large (up to 6 ft) greyish-brown barracuda highly regarded as a food and sport fish; may be dangerous to swimmers
Sphyrapicus varius
eastern North American sapsucker having a pale yellow abdomen
Sphyrapicus varius ruber
western North American sapsucker
Sphyrna tiburo
small harmless hammerhead having a spade-shaped head; abundant in bays and estuaries
Sphyrna tudes
fished for the hide and vitamin-rich liver
Sphyrna zygaena
fished for the hides and vitamin-rich liver
predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey
spider crab
any of numerous crabs with very long legs and small triangular bodies
spider mite
web-spinning mite that attacks garden plants and fruit trees
Spilogale putorius
small skunk with a marbled black and white coat; of United States and Mexico
Spinus pinus
small finch of North American coniferous forests
spiny dogfish
small bottom-dwelling dogfishes
spiny lizard
any of numerous lizards with overlapping ridged pointed scales; of North America and Central America
spiny puffer
puffers having rigid or erectile spines
SPipistrellus hesperus
of western North America
Spirula peronii
a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral
spittle insect
small leaping herbivorous insect that lives in a mass of protective froth which it and its larvae secrete
any of various stocky heavy-coated breeds of dogs native to northern regions having pointed muzzles and erect ears with a curled furry tail
Spizella arborea
finch common in winter in the northern U.S.
Spizella passerina
small North American finch common in urban areas
Spizella pusilla
common North American finch of brushy pasturelands
Spodoptera exigua
moth whose larvae are beet armyworms
Spodoptera exigua
moth larva that eats foliage of beets and other vegetables
Spodoptera frugiperda
moth whose larvae are fall armyworms
Spodoptera frugiperda
larva of a migratory American noctuid moth; destroys grasses and small grains
hairy-bodied insect whose larvae feed on freshwater sponges
wading birds having a long flat bill with a tip like a spoon
a spouting whale
spring cankerworm
variably colored looper; larva of Paleacrita vernata
spring chicken
a young chicken having tender meat
a large spaniel with wavy silky coat usually black or liver and white
a cow about to give birth
an unfledged pigeon
sluggish square-tailed fish armored with tough bony scales; of deep warm waters
Squatina squatina
sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do
widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins
a kind of arboreal rodent having a long bushy tail
very small, brightly colored (especially red) nocturnal fishes of shallow waters or tropical reefs; they make sounds like a squirrel's bark
stable companion
a horse stabled with another or one of several horses owned by the same person
Staffordshire bull terrier
English breed of strong stocky dog having a broad skull and smooth coat
adult male deer
stag beetle
a kind of lamellicorn beetle; the male has branched mandibles resembling antlers
staghorn coral
large branching coral resembling antlers
a large heavy hound formerly used in hunting stags and other large game; similar to but larger than a foxhound
a horse behind which a hunter hides while stalking game
standard poodle
a breed or medium-sized poodles
standard schnauzer
a medium-sized schnauzer
heavy-bodied marine bottom-lurkers with eyes on flattened top of the head
gregarious birds native to the Old World
primitive dinosaur found in Brazil
a person or other animal having powers of endurance or perseverance
Steatornis caripensis
nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter
(literary) a spirited horse for state of war
a horse trained to run in steeplechases
Steganopus tricolor
breeds on the northern great plains of Canada
Stegosaur stenops
herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon
Stenopelmatus fuscus
large wingless nocturnal grasshopper that burrows in loose soil along the Pacific coast of the United States
Stenopterygius quadrisicissus
an ichthyosaur of the genus Stenopterygius
Stenotomus aculeatus
porgy of southern Atlantic coastal waters of North America
Stenotomus chrysops
found in Atlantic coastal waters of North America from South Carolina to Maine; esteemed as a panfish
Stercorarius parasiticus
a variety of jaeger
Sterna hirundo
common tern of Eurasia and America having white black and grey plumage
stick insect
any of various mostly tropical insects having long twiglike bodies
large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds
yearling heifer or bullock
Stizostedion vitreum
pike-like freshwater perches
the ermine in its brown summer coat with black-tipped tail
a domestic animal (especially a young steer or heifer) kept as stock until fattened or matured and suitable for a breeding establishment
a kind of crustacean
Storeria occipitamaculata
harmless woodland snake of southeastern United States
large mostly Old World wading birds typically having white-and-black plumage
storm petrel
any of various small petrels having dark plumage with paler underparts
an animal that has strayed (especially a domestic animal)
Streptopelia risoria
greyish Old World turtledove with a black band around the neck; often caged
Streptopelia turtur
the common European wild dove noted for its plaintive cooing
Strix aluco
reddish-brown European owl having a round head with black eyes
Strix nebulosa
large dish-faced owl of northern North America and western Eurasia
Strix occidentalis
a large owl of North America found in forests from British Columbia to central Mexico; has dark brown plumage and a heavily spotted chest
Strix varia
large owl of eastern North America having its breast and abdomen streaked with brown
Strizostedion vitreum glaucum
variety inhabiting the Great Lakes
Strombus gigas
a large variety of conch
Struthio camelus
fast-running African flightless bird with two-toed feet; largest living bird
small light-boned toothless dinosaur resembling an ostrich in size and proportions
Strymon melinus
larvae are pests of various economic plants
adult male horse kept for breeding
a creature (especially a whale) that has been prevented from attaining full growth
large primitive fishes valued for their flesh and roe; widely distributed in the North Temperate Zone
Sturnella magna
a meadowlark of eastern North America
Sturnella neglecta
a meadowlark of western North America
Sturnus vulgaris
gregarious bird having plumage with dark metallic gloss; builds nests around dwellings and other structures; naturalized worldwide
an unusual ceratopsian dinosaur having many large spikes around the edge of its bony frill and a long nose horn; late Cretaceous
subclass Diapsida
used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps
sucking pig
an unweaned piglet
a young mammal that has not been weaned
Sula bassana
very large white gannet with black wing tips
sulfur butterfly
any of numerous yellow or orange butterflies
large (20-ft) and swift carnivorous dinosaur having an upright slashing claw 15 inches long on each hind foot; early Cretaceous
surf fish
small to medium-sized shallow-water fishes of the Pacific coast of North America
brightly colored coral-reef fish with knifelike spines at the tail
Suricata suricatta
a meerkat with a thin and elongated tail
Suricata tetradactyla
burrowing diurnal meerkat of southern Africa; often kept as a pet
Surnia ulula
grey-and-white diurnal hawk-like owl of northern parts of the northern hemisphere
an animal that survives in spite of adversity
Sus scrofa
domestic swine
Sus scrofa
Old World wild swine having a narrow body and prominent tusks from which most domestic swine come; introduced in United States
Sussex spaniel
an English breed with short legs and a golden liver-colored coat
small long-winged songbird noted for swift graceful flight and the regularity of its migrations
swallow shrike
Australasian and Asiatic bird related to the shrikes and resembling a swallow
stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult
little-known nocturnal fish of warm shallow seas with an oblong compressed body
sweet-potato whitefly
a variety of whitefly
a small bird that resembles a swallow and is noted for its rapid flight
swimming crab
marine crab with some legs flattened and fringed for swimming
stout-bodied short-legged omnivorous animals
Sydney silky
Australian breed of toy dogs having a silky blue coat
Sylvia communis
greyish-brown Old World warbler with a white throat and underparts
Sylvia curruca
Old World warbler similar to the greater whitethroat but smaller
Sylvilagus aquaticus
a wood rabbit of southeastern United States swamps and lowlands
Sylvilagus floridanus
widely distributed in United States except northwest and far west regions
Sylvilagus palustris
a wood rabbit of marshy coastal areas from North Carolina to Florida
Symbion pandora
only known species of Cycliophora; lives symbiotically attached to a lobster's lip by an adhesive disk and feeding by means of a hairy mouth ring; its complex life cycle includes asexual and sexual phases
Symphalangus syndactylus
large black gibbon of Sumatra having the 2nd and 3rd toes partially united by a web
Synagrops bellus
small marine fish with black mouth and gill cavity
Synanceja verrucosa
venomous tropical marine fish resembling a piece of rock
extinct reptile having a single pair of lateral temporal openings in the skull
Synaptomys borealis
of wet alpine and subalpine meadows of Canada and Alaska
Synaptomys cooperi
of low bogs and meadows of northeastern and central United States and southern Canada
Synercus caffer
large often savage buffalo of southern Africa having upward-curving horns; mostly in game reserves
Syngnathus hildebrandi
small (4 inches) fish found off the Florida Gulf Coast
Syrrhaptes paradoxus
Eurasiatic sandgrouse with a black patch on the belly
a cat with a grey or tawny coat mottled with black
tachina fly
bristly fly whose larvae live parasitically in caterpillars and other insects; important in control of noxious insects
Tadarida brasiliensis
the common freetail bat of southern United States having short velvety fur; migrates southward for winter
Tadirida femorosacca
small brown bat of California and northern Mexico
tadpole shrimp
a kind of branchiopod crustacean
tapeworms parasitic in humans which uses the pig as its intermediate host
Tamandua tetradactyla
small toothless anteater with prehensile tail and four-clawed forelimbs; of tropical South America and Central America
Tamias striatus
small striped semiterrestrial eastern American squirrel with cheek pouches
Tamiasciurus douglasi
far western United States counterpart of the red squirrel
Tamiasciurus hudsonicus
of northern United States and Canada
any of numerous New World woodland birds having brightly colored males
large inoffensive chiefly nocturnal ungulate of tropical America and southeast Asia having a heavy body and fleshy snout
Tapirus indicus
a tapir found in Malaya and Sumatra
Tapirus terrestris
a tapir found in South America and Central America
large hairy tropical spider with fangs that can inflict painful but not highly venomous bites
an arthropod of the division Tardigrada
Taricha granulosa
newt of humid coast from Alaska to southern California
Tarpon atlanticus
large silvery game fish of warm Atlantic coastal waters especially off Florida
nocturnal arboreal primate of Indonesia and the Philippines having huge eyes and digits ending in pads to facilitate climbing; the only primate that spurns all plant material as food living entirely on insects and small vertebrates
Tarsius glis
a variety of tarsier
Tarsius syrichta
a variety of tarsier
any of several long-legged shorebirds having a loud whistling cry
Taurotragus derbianus
large dark striped eland of western equatorial Africa
Taurotragus oryx
dark fawn-colored eland of southern and eastern Africa
Tautoga onitis
large dark-colored food fish of the Atlantic coast of North America
Tautogolabrus adspersus
common in north Atlantic coastal waters of the United States
Tayassu angulatus
dark grey peccary with an indistinct white collar; of semi desert areas of Mexico and southwestern United States
Tayassu pecari
blackish peccary with whitish cheeks; larger than the collared peccary
any of various small short-necked dabbling river ducks of Europe and America
two-year-old sheep
tropical New World lizard with a long tail and large rectangular scales on the belly and a long tail
large (to 3 feet) blackish yellow-banded South American lizard; raid henhouses; used as food
a bony fish of the subclass Teleostei
small often spiny insectivorous mammal of Madagascar; resembles a hedgehog
Tenrec ecaudatus
prolific animal that feeds chiefly on earthworms
tent caterpillar
the larvae of moths that build and live in communal silken webs in orchard and shade trees
male hawk especially male peregrine or gyrfalcon
typical shipworm
whitish soft-bodied ant-like social insect that feeds on wood
small slender gull having narrow wings and a forked tail
any of various edible North American web-footed turtles living in fresh or brackish water
any of several usually small short-bodied breeds originally trained to hunt animals living underground
brightly colored tropical freshwater fishes
Tetrao urogallus
large black Old World grouse
a vertebrate animal having four feet or legs or leglike appendages
Texas horned lizard
of arid and semiarid open country
Texas longhorn
long-horned beef cattle formerly common in southwestern United States
Texas tortoise
close relative to the desert tortoise; may be reclassified as a member of genus Xerobates
Thalarctos maritimus
white bear of Arctic regions
Thalassoma bifasciatum
small Atlantic wrasse the male of which has a brilliant blue head
Thamnophis sauritus
slender yellow-striped North American garter snake; prefers wet places
Thamnophis sirtalis
a garter snake that is widespread in North America
presumably in the common ancestral line to dinosaurs and crocodiles and birds
Thermobia domestica
lives in warm moist areas e.g. around furnaces
Australian and southeastern Asian birds with a melodious whistling call
thin-shelled mussel
mussel with thin fragile shells having only rudimentary hinge teeth
Thomomys bottae
of valleys and mountain meadows of western United States
Thomomys talpoides
greyish to brown gopher of western and central United States
Thomson's gazelle
East African gazelle; the smallest gazelle
any of various South American hummingbirds with a sharp pointed bill
a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares
mullet-like tropical marine fishes having pectoral fins with long threadlike rays
three year old
a racehorse that is three years old
Threskiornis aethiopica
African ibis venerated by ancient Egyptians
any of various small to minute sucking insects with narrow feathery wings if any; they feed on plant sap and many are destructive
Thrips tobaci
injurious to onion plants and sometimes tobacco
songbirds characteristically having brownish upper plumage with a spotted breast
Thryothorus ludovicianus
large United States wren with a musical call
Thunnus alalunga
large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters
Thunnus albacares
may reach 400 pounds; worldwide in tropics
Thunnus thynnus
largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
Thylacinus cynocephalus
rare doglike carnivorous marsupial of Tasmania having stripes on its back; probably extinct
an insect of the order Thysanoptera
thysanuran insect
primitive wingless insects: bristletail
Tibetan mastiff
very large powerful rough-coated dog native to central Asia
Tibetan terrier
breed of medium-sized terriers bred in Tibet resembling Old English sheepdogs with fluffy curled tails
Tichodroma muriaria
crimson-and-grey songbird that inhabits town walls and mountain cliffs of southern Eurasia and northern Africa
any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
tiger beetle
active usually bright-colored beetle that preys on other insects
tiger cat
a cat having a striped coat
tiger cub
a young tiger
tiger moth
medium-sized moth with long richly colored and intricately patterned wings; larvae are called woolly bears
offspring of a male tiger and a female lion
a female tiger
Tilapia nilotica
important food fish of the Nile and other rivers of Africa and Asia Minor
found in warm waters of western Atlantic
Tinca tinca
freshwater dace-like game fish of Europe and western Asia noted for ability to survive outside water
Tinea pellionella
the larvae live in tubes of its food material fastened with silk that it spins
small yellowish moths whose larvae feed on wool or fur
small dull-colored moth with chewing mouthparts
Tineola bisselliella
moth that forms a web in which it lives
small insectivorous birds
amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
small South American monkeys with long beautiful fur and long nonprehensile tail
tiny insectivorous West Indian bird having red-and-green plumage and a long straight bill
Tolypeutes tricinctus
South American armadillo with three bands of bony plates
male cat
Tomistoma schlegeli
crocodile of southeast Asia similar to but smaller than the gavial
left-eyed marine flatfish whose tail tapers to a point; of little commercial value
tongueless frog
almost completely aquatic frog native to Africa and Panama and northern South America
tooth shell
any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing
toothed whale
any of several whales having simple conical teeth and feeding on fish etc.
usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica
brilliantly colored; larvae feed on nettles
any of numerous small moths having lightly fringed wings; larvae are leaf rollers or live in fruits and galls
brilliantly colored arboreal fruit-eating bird of tropical America having a very large thin-walled beak
small toucan
large brightly crested bird of Africa
any of numerous long-tailed American finches
Toxostoma rufums
common large songbird of eastern United States having reddish-brown plumage
Toxotes jaculatrix
any of several small freshwater fishes that catch insects by squirting water at them and knocking them into the water; found in Indonesia and Australia
toy Manchester terrier
breed of small Manchester terrier
toy poodle
the breed of very small poodles
toy spaniel
a very small spaniel
toy terrier
a small active dog
any of several breeds of very small dogs kept purely as pets
Trachinotus carolinus
found in coastal waters New England to Brazil except clear waters of West Indies
Trachinotus falcatus
large game fish; found in waters of the West Indies
Trachipterus arcticus
deep-sea ribbonfish
large duck-billed dinosaur of the Cretaceous period
Trachurus symmetricus
a California food fish
Trachurus trachurus
large elongated compressed food fish of the Atlantic waters of Europe
Tragelaphus angasi
spiral-horned South African antelope with a fringe of white hairs along back and neck
Tragelaphus buxtoni
shaggy antelope of mountains of Ethiopia
Tragelaphus eurycerus
large forest antelope of central Africa having a reddish-brown coat with white stripes and spiral horns
Tragelaphus imberbis
a smaller variety of kudu
Tragelaphus scriptus
antelope with white markings like a harness and twisted horns
Tragelaphus strepsiceros
a variety of kudu
brilliantly colored Asian pheasant having wattles and two fleshy processes on the head
Tragulus Javanicus
chevrotain somewhat larger than the kanchil; found in India and Malaya
Tragulus kanchil
small chevrotain of southeastern Asia
trap-door spider
American spider that constructs a silk-lined nest with a hinged lid
tree creeper
any of numerous South American and Central American birds with a curved bill and stiffened tail feathers that climb and feed like woodpeckers
tree cricket
pale arboreal American cricket noted for loud stridulation
tree frog
arboreal amphibians usually having adhesive disks at the tip of each toe; of southeast Asia and Australia and America
tree frog
any of various Old World arboreal frogs distinguished from true frogs by adhesive suckers on the toes
tree kangaroo
arboreal wallabies of New Guinea and northern Australia having hind and forelegs of similar length
tree shrew
insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snout
tree squirrel
any typical arboreal squirrel
small leaping insect that sucks juices of branches and twigs
Triaenodon obseus
smooth dogfish of Pacific and Indian Oceans and Red Sea having white-tipped dorsal and caudal fins
Trialeurodes vaporariorum
whitefly that inhabits greenhouses
huge ceratopsian dinosaur having three horns and the neck heavily armored with a very solid frill
Trichechus manatus
sirenian mammal of tropical coastal waters of America; the flat tail is rounded
Trichinella spiralis
parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles
Trichoglossus moluccanus
a kind of lorikeet
Trichophaga tapetzella
larvae feed on carpets and other woolens
caddis fly
Trichosurus vulpecula
bushy-tailed phalanger
Trichys lipura
porcupine of Borneo and Sumatra having short spines and a long tail
Tridacna gigas
a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds
any of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal fin
Trigla lucerna
a kind of gurnard
an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
Trimorphodon lambda
of desert regions of southwestern North America
Trinectes maculatus
useless as food; in coastal streams from Maine to Texas and Panama
Tringa flavipes
a variety of yellowlegs
Tringa melanoleuca
a variety of yellowlegs
Tringa nebularia
large European sandpiper with greenish legs
Tringa totanus
a common Old World wading bird with long red legs
Trinil man
fossil remains found in Java; formerly called Pithecanthropus erectus
Trionyx muticus
river turtle of Mississippi basin; prefers running water
Trionyx spiniferus
river turtle of western United States with a warty shell; prefers quiet water
large food fish of warm waters worldwide having long anal and dorsal fins that with a caudal fin suggest a three-lobed tail
tropical marine gastropods having beautifully colored spiral shells
Triturus vulgaris
small semiaquatic salamander
Trogium pulsatorium
a variety of booklouse
Troglodytes aedon
common American wren that nests around houses
Troglodytes troglodytes
small wren of coniferous forests of northern hemisphere
forest bird of warm regions of the New World having brilliant lustrous plumage and long tails
mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebrates
mite that in all stages feeds on other arthropods
tropical prawn
edible tropical and warm-water prawn
Tropidoclonion lineatum
secretive snake of city dumps and parks as well as prairies and open woods; feeds on earthworms; of central United States
a horse trained to trot; especially a horse trained for harness racing
any of various game and food fishes of cool fresh waters mostly smaller than typical salmons
true bug
any of various insects of the order Hemiptera and especially of the suborder Heteroptera
true lobster
large edible marine crustaceans having large pincers on the first pair of legs
true marmoset
a marmoset
true toad
tailless amphibian similar to a frog but more terrestrial and having drier warty skin
true vampire bat
any of various tropical American bats of the family Desmodontidae that bite mammals and birds to feed on their blood
large gregarious crane-like bird of the forests of South America having glossy black plumage and a loud prolonged cry; easily domesticated
any of various dung beetles
any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters
Tunga penetrans
small tropical flea; the fertile female burrows under the skin of the host including humans
primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
Turdus greyi
robin of Mexico and Central America
Turdus iliacus
small European thrush having reddish flanks
Turdus migratorius
large American thrush having a rust-red breast and abdomen
Turdus philomelos
common Old World thrush noted for its song
Turdus pilaris
medium-sized Eurasian thrush seen chiefly in winter
Turdus torquatus
European thrush common in rocky areas; the male has blackish plumage with a white band around the neck
Turdus viscivorus
large European thrush that feeds on mistletoe berries
Turnix sylvatica
a variety of button quail having stripes
migratory shorebirds of the plover family that turn over stones in searching for food
any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
any of several Old World wild doves
any mammal with prominent tusks (especially an elephant or wild boar)
tussock caterpillar
larva of a tussock moth
a bird that twitters
two year old
a racehorse that is two years old
Tylenchus tritici
small roundworm parasitic on wheat
Tympanuchus cupido
the most common variety of prairie chicken
Tympanuchus cupido cupido
extinct prairie chicken
Tympanuchus pallidicinctus
a smaller prairie chicken of western Texas
typical jerboa
small nocturnal jumping rodent with long hind legs; of arid parts of Asia and northern Africa
a passerine bird of the suborder Tyranni
Tyrannosaurus rex
large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America
Tyrannus domenicensis domenicensis
a kingbird that breeds in the southeastern United States and winters in tropical America; similar to but larger than the eastern kingbird
Tyrannus tyrannus
large American flycatcher
Tyrannus vociferans
a kingbird seen in the southwestern United States; largely grey with a yellow abdomen
Tyto alba
mottled buff and white owl often inhabiting barns and other structures; important in rodent control
medium-sized tree-dwelling monkey of the Amazon basin; only New World monkey with a short tail
Uma notata
with long pointed scales around toes; of deserts of United States and Mexico
Umbrina roncador
a fish of the Pacific coast of North America
moth having dull forewings and brightly colored hind wings
in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceans
a mammal having nails or claws
in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)
Uria aalge
the most frequent variety of murre
Uria lomvia
a variety of murre
Urocyon cinereoargenteus
dark grey American fox; from Central America through southern United States
Uropsilus soricipes
shrew mole of eastern Asia
Urosaurus ornatus
a climbing lizard of western United States and northern Mexico
Ursus arctos
large ferocious bear of Eurasia
Ursus arctos horribilis
powerful brownish-yellow bear of the uplands of western North America
Ursus arctos middendorffi
brown bear of coastal Alaska and British Columbia
Ursus arctos syriacus
yellowish-grey Syrian brown bear
Uta stansburiana
one of the most abundant lizards in the arid western United States
Vanessa atalanta
of temperate Europe and Asia; having black wings with red and white markings
Vanessa virginiensis
American butterfly having dark brown wings with white and golden orange spots
Varanus komodoensis
the largest lizard in the world (10 feet); found on Indonesian islands
Varanus niloticus
destroys crocodile eggs
any usually predatory wild animal considered undesirable; e.g., coyote
small active carnivore that probably fed on protoceratops; possibly related more closely to birds than to other dinosaurs
velvet ant
a solitary wasp of the family Mutillidae; the body has a coat of brightly colored velvety hair and the females are wingless
venomous lizard
any of two or three large heavy-bodied lizards; only known venomous lizards
Venus's flower basket
a deep-water marine sponge having a cylindrical skeleton of intricate glassy latticework; found in the waters of the East Indies and the eastern coast of Asia
Venus's girdle
ctenophore having a ribbon-shaped iridescent gelatinous body
any of various small animals or insects that are pests; e.g. cockroaches or rats
Vespa crabro
European hornet introduced into the United States
vespertilian bat
a variety of carnivorous bat
Vespertilio murinus
common Eurasian bat with white-tipped hairs in its coat
mostly social nest-building wasps
Vespula maculata
North American hornet
Vespula maculifrons
small yellow-marked social wasp commonly nesting in the ground
Vespula vulgaris
a variety of vespid wasp
Vicugna vicugna
small wild cud-chewing Andean animal similar to the guanaco but smaller; valued for its fleecy undercoat
vine snake
slender arboreal snake found from southern Arizona to Bolivia
vinegar fly
flies whose larvae feed on pickles and imperfectly sealed preserves
venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
Vipera aspis
of southern Europe; similar to but smaller than the adder
Vipera berus
small terrestrial viper common in northern Eurasia
any of various small insectivorous American birds chiefly olive-grey in color
Vireo olivaceous
of northern North America having red irises and an olive-grey body with white underparts
Vireo solitarius
of eastern North America having a bluish-grey head and mostly green body
Vireo solitarius solitarius
common vireo of northeastern North America with bluish slaty-grey head
Virginia oyster
common edible oyster of Atlantic coast of North America
Viverra zibetha
common civet of India and southeast Asia
Viverricula malaccensis
a common civet of southeast Asia
small cat-like predatory mammals of warmer parts of the Old World
a female fox
Vulpes fulva
New World fox; often considered the same species as the Old World fox
Vulpes macrotis
small grey fox of southwestern United States; may be a subspecies of Vulpes velox
Vulpes velox
small grey fox of the plains of western North America
Vulpes vulpes
the common Old World fox; having reddish-brown fur; commonly considered a single circumpolar species
Vultur gryphus
large vulture of the high Andes having black plumage and white neck ruff
any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion
any of many long-legged birds that wade in water in search of food
Old World bird having a very long tail that jerks up and down as it walks
Walker foxhound
an American breed of foxhound
War Admiral
thoroughbred that won the triple crown in 1937
warble fly
hairy bee-like fly whose larvae produce lumpy abscesses (warbles) under the skin of cattle
a small active songbird
horse used in war
Australian wild horse
African wild swine with warty protuberances on the face and large protruding tusks
social or solitary hymenopterans typically having a slender body with the abdomen attached by a narrow stalk and having a formidable sting
water beetle
any of numerous aquatic beetles usually having a smooth oval body and flattened hind legs for swimming
water bird
freshwater aquatic bird
water bug
a true bug: large aquatic bug adapted to living in or on the surface of water
water dog
a dog accustomed to water and usually trained to retrieve waterfowl
water moccasin
any of numerous North American water snakes inhabiting fresh waters
water rat
any of various amphibious rats
water scorpion
long-legged aquatic insect having the front legs fitted for seizing and holding prey and the abdomen extended by a long breathing tube
water shrew
any of several small semiaquatic shrews usually living near swift-flowing streams
water snake
any of various mostly harmless snakes that live in or near water
water spaniel
any dog of two large curly-coated breeds used for hunting waterfowl
water thrush
brownish North American warbler found near streams
any of several large African antelopes of the genus Kobus having curved ridged horns and frequenting e.g. swamps and rivers
any of several large aquatic salamanders
wax insect
any of various insects that secrete a waxy substance
brown velvety-plumaged songbirds of the northern hemisphere having crested heads and red waxy wing tips
small carnivorous mammal with short legs and elongated body and neck
finch-like African and Asian colonial birds noted for their elaborately woven nests
web spinner
any of a small order of slender typically tropical insects that nest in colonies in silken tunnels that they spin
web-spinning mite
a mite that spins a web
web-toed salamander
any of several salamanders with webbed toes and very long extensile tongues; excellent climbers that move with ease over smooth rock surfaces
several gregarious moth larvae that spin webs over foliage on which they feed
webworm moth
a variety of moth that spins a web in which it lives
any of several families of mostly small beetles that feed on plants and plant products; especially snout beetles and seed beetles
large breed of hound having a smooth greyish coat; originated in Germany
Welsh Black
a breed of dual-purpose cattle developed in Wales
Welsh corgi
either of two Welsh breeds of long-bodied short-legged dogs with erect ears and a fox-like head
Welsh pony
breed of small ponies originally from Wales
Welsh springer spaniel
a red-and-white breed slightly smaller than the English springer spaniel
Welsh terrier
wire-haired terrier resembling Airedales but smaller; developed in Wales for hunting
West Highland white terrier
small white long-coated terrier developed in Scotland
Western box turtle
primarily a prairie turtle of western United States and northern Mexico
Western diamondback rattlesnake
largest and most dangerous North American snake; of southwestern United States and Mexico
Western rattlesnake
widely distributed between the Mississippi and the Rockies
Western ribbon snake
yellow- or reddish-striped snake of temperate woodlands and grasslands to tropics
male sheep especially a castrated one
any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head
whale louse
amphipod crustacean parasitic on cetaceans
wharf rat
brown rat that infests wharves
small songbird of northern America and Eurasia having a distinctive white rump
wheel horse
a draft horse harnessed behind others and nearest the wheels of a vehicle
large carnivorous marine gastropods of coastal waters and intertidal regions having a strong snail-like shell
mostly black African weaverbird
a lefteye flounder found in coastal waters from New England to Brazil
whip scorpion
nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger
whip snake
any of several small fast-moving snakes with long whiplike tails
small slender dog of greyhound type developed in England
any of numerous very agile and alert New World lizards
thoroughbred that won the triple crown in 1941
whirligig beetle
aquatic beetle that circles rapidly on the water surface
white elephant
albinic Indian elephant; rare and sometimes venerated in east Asia
the edible young of especially herrings and sprats and smelts
silvery herring-like freshwater food fish of cold lakes of the northern hemisphere
minute insect that feeds on plant juices; related to scale insects
any of several food fishes of North American coastal waters
a small fish of the genus Sillago; excellent food fish
larva of a mosquito
wild ass
any of several equine mammals of Asia and northeast Africa
wild dog
any of various undomesticated mammals of the family Canidae that are thought to resemble domestic dogs as distinguished from jackals or wolves
wild duck
an undomesticated duck (especially a mallard)
wild goat
undomesticated goat
wild horse
undomesticated or feral domestic horse
wild sheep
undomesticated sheep
any small or medium-sized cat resembling the domestic cat and living in the wild
Wilson's blackcap
yellow wood warbler with a black crown
wire-haired fox terrier
a fox terrier with wiry hair
a terrier with wiry hair
wormlike larva of various elaterid beetles; feeds on roots of many crop plants
any of various predatory carnivorous canine mammals of North America and Eurasia that usually hunt in packs
wolf cub
a young wolf
the largest breed of dogs; formerly used to hunt wolves
burrowing herbivorous Australian marsupials about the size of a badger
wood drake
male wood duck
wood hoopoe
tropical African bird having metallic blackish plumage but no crest
wood mouse
any of various New World woodland mice
wood rat
any of various small short-tailed rodents of the northern hemisphere having soft fur grey above and white below with furred tails and large ears; some are hosts for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)
game bird of the sandpiper family that resembles a snipe
a larva of a woodborer
woolly adelgid
an insect that feeds on hemlocks; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree
woolly aphid
secretes a waxy substance like a mass of fine curly white cotton or woolly threads
woolly bear moth
larva of moth of the family Arctiidae
woolly bear
caterpillar of numerous moths characterized by a dense coat of woolly hairs; feed on plants and some are destructive pests
woolly monkey
large monkeys with dark skin and woolly fur of the Amazon and Orinoco basins
work animal
an animal trained for and used for heavy labor
sterile member of a colony of social insects that forages for food and cares for the larvae
worker bee
sterile bee specialized to collect food and maintain the hive
a horse used for plowing and hauling and other heavy labor
working dog
any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs
any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
worm fish
poorly known family of small tropical shallow-water fishes related to gobies
worm lizard
a lizard of the genus Amphisbaena; harmless wormlike limbless lizard of warm or tropical regions having concealed eyes and ears and a short blunt tail
chiefly tropical marine fishes with fleshy lips and powerful teeth; usually brightly colored
wren warbler
small Asiatic and African bird; constructs nests like those of tailorbirds
Old World woodpecker with a peculiar habit of twisting the neck
Xenicus gilviventris
short-tailed bird resembling a wren
Xenorhyncus asiaticus
large mostly white Australian stork
Xestobium rufovillosum
bores through wood making a ticking sound popularly thought to presage death
Xiphias gladius
large toothless marine food fish with a long swordlike upper jaw; not completely cold-blooded i.e. they are able to warm their brains and eyes: worldwide in warm waters but feed on cold ocean floor coming to surface at night
Xiphosurus polyphemus
large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
Xyphophorus helleri
freshwater fish of Central America having a long swordlike tail; popular aquarium fish
an animal in its second year
a racehorse considered one year old until the second Jan. 1 following its birth
either of two North American shorebird with yellow legs
small olive-colored American warblers with yellow breast and throat
Yorkshire terrier
very small breed having a long glossy coat of bluish-grey and tan
Yosemite toad
of high Sierra Nevada meadows and forest borders
young bird
a bird that is still young
young fish
a fish that is young
young mammal
any immature mammal
Zalophus californianus
often trained as a show animal
Zapus hudsonius
widely distributed in northeastern and central United States and Canada
any of several fleet black-and-white striped African equines
domesticated ox having a humped back and long horns and a large dewlap; used chiefly as a draft animal in India and east Asia
Zenaidura macroura
wild dove of the United States having a mournful call
Zeus faber
European dory
Zoarces viviparus
an eelpout of northern Europe that is viviparous
Zonotrichia albicollis
common North American finch with a white patch on the throat and black-and-white striped crown
Zonotrichia leucophrys
finch with black-and-white striped crown
any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge
animal constituent of plankton; mainly small crustaceans and fish larvae