Many species of songbirds have evolved to have strikingly colorful plumage, aiding them in catching the eye of mates, ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved far earlier than scientists thought. Fossils from bird-like dinosaurs in ...

Readers share photos of gray bird species that live across America. Learn about the variety of gray colored birds you should know.