Family Tree Sheds New Light on How Massive Dinosaurs Became Agile Flying Birds

Researchers at University of Southampton have come up with a detailed family tree that shows how massive, ground-dwelling dinosaurs shrunk over a period of 50 million years to evolve into agile flying birds. "These bird ancestors also evolved new adaptations, such as feathers, wishbones and wings, four times faster than other dinosaurs," says co-author Darren Naish, Vertebrate Palaeontologist at the University of Southampton. "Birds evolved through a ...

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