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 ...

Charles Darwin is most famous for his finches, from whose beaks he gleaned the idea that a single species might radiate into many. But he studied other attributes of birds, too—like the rhythmic ...

Feathers on 37 of 45 birds-of-paradise species emit biofluorescence. The feathers absorb UV light and release it as a ...

A new study examines feathers across 249 species of Himalayan songbirds, finding that birds at higher elevations have more of fluffy down than lower elevation birds. Finding such a clear pattern ...

Each Canada goose that you see flying around in formation around Lancaster County these days has between 20,000 and 25,000 feathers, most hidden from sight. A typical songbird at your backyard feeder ...

Under ultraviolet light, many birds-of-paradise secretly glow, revealing hidden colours scientists believe may shape ...