Before Darwin’s theory became central to evolutionary biology, it still had gaps that were left to be filled—until a certain ...

A giant rooster that sets a desert sea on fire every time it brushes its beautiful but deadly tail feathers. A toad-like ...

A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

Finn moved with purpose, her nose working the wind, seeking the tantalizing aroma of feathers hidden in the tawny grassland ...