A Fork-tailed Flycatcher. Credit: Valentina Gómez-Bahamón, Field Museum Bird feathers have many different functions. Softer down keeps a bird warm and stiffer wing feathers are used for flight.

Contrary to our human perception of bird coloration as extraordinarily diverse, a new study reports that bird plumages exhibit only a small fraction (less than a third) of the possible colours birds ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...