mononychus olecranus

Noun
  1. 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 (synset 101721449)

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