"The introductory chapters give a detailed overview of the feather - how feathers developed, the parts of a single feather, and the variety of types of feathers on a bird. In the feather ...

Fork-tailed flycatchers make a fluttering sound with their wings—but separate subspecies have different “dialects” of fluttering. Christopher Intagliata reports. Charles Darwin is most famous for his ...

Explore the colors of songbird migration in a photo essay that displays the ways distance and timing affect plumage. In late summer and autumn, millions of birds fly above our heads, often at night, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists have ...

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 ...

A study of nearly all of the 10,000 or so bird species has found that the further birds migrate, the paler their feathers tend to be. This is probably because it helps birds flying in sunlight to keep ...