Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger ...

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

This is a fascinating story of the interaction of two very iconic animals in the past,” the study’s lead author told NBC News ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved ...

A pivotal wrist bone in birds appears earlier in theropods. This could shift views on how flight evolved. An analysis of two ...

Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are more likely to attract mates and produce more offspring than those that aren ...

image: The Black-Bone Silky Fowl, which has a time-honored place in traditional Chinese medicine, certainly lives up to its name. The silky white feathers on the exterior of this odd bird cover ...