Dinosaur fossil gives clue to bird ancestry
The discovery of a pair of shelled eggs inside a female dinosaur, who died more than 65 million years ago, shows that the animals were very bird-like, but also resembled reptiles such as crocodiles,
The discovery of a pair of shelled eggs inside a female dinosaur, who died more than 65 million years ago, shows that the animals were very bird-like, but also resembled reptiles such as crocodiles,