| Answer | Crossword Clue |
|---|---|
| uropygium | the rump of a bird which supports the tail feathers |
| uropygia | UROPYGIUM, the rump of a bird which supports the tail feathers |
| uropygiums | The rump of a bird, supporting the tail feathers |
| uropygium | The rump of a bird, supporting the tail feathers |
| archaeopteryxes | The oldest known fossil bird, of the late Jurassic period. It had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small coelurosaur dinosaur |
| archaeopteryx | The oldest known fossil bird, of the late Jurassic period. It had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small coelurosaur dinosaur |
