Teeth marks on fossil show ‘terror bird’ may have been killed in vicious battle with caiman 13 million years ago - Terror ...

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was ...

Birds’ relatively meatier thighs are tucked underneath their feathers, and most birds have scaly lower legs, Clarke says, which makes these limbs look oddly small and naked.

It helps keep them warm, say our readers – but the flamingo is most famous for standing on one leg, and warmth is unlikely to ...

Shortening tails gave early birds a leg up Date: August 13, 2013 Source: University of Oxford Summary: A radical shortening of their bony tails over 100 million years ago enabled the earliest ...

Researchers found evidence of large leg feathers in 11 bird specimens from China's Shandong Tianyu Museum of Nature. The feathers suggest that early birds had four wings, which may have played a ...

One reason that birds can hold their legs up when they fly, I told him, is that avian bones are hollow and light compared to our heavy, dense bones. Jack nodded.