Life
Two separate extinctions brought end to dinosaur era
Evidence of two distinct events may explain why such a high number 鈥� around three-quarters 鈥� of species died out 65 million years ago
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Evidence of two distinct events may explain why such a high number 鈥� around three-quarters 鈥� of species died out 65 million years ago
Fossilised ankle bones of Caudipteryx, a dino-bird that lived 130 million years ago, show signs of the painful bone condition