Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ...

The bird has a short tail ending in a pygostyle, an important aerodynamic innovation moving the center of mass forward toward ...

Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...

Contenders for the true first birds have now been found in Chinese rocks dating from the late Jurassic, around 149 million ...

Study finds that birds-of-paradise are biofluorescent, suggesting that this "hidden" phenomenon provides enhanced signaling for hierarchy and courtship.

Baminornis is a landmark discovery and ranks among the most important bird fossils unearthed since the discovery ...