From their feathers to feet, learn more about the major features of bird anatomy and what makes these fascinating animals so ...

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 ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...

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 ...

Birds tend to be more colorful in the tropics, and scientists wanted to find out how they got there: if colorful feathers evolved in the tropics, or if tropical birds have brightly-colored ancestors ...

New study shows that bird feathers do more than look pretty. They help birds manage heat and stay cool in surprising ways.

Vanya, curator of birds and mammals at the Cornell University Museum of Vertebrates, studies a turkey vulture wing at the Cornell Lab of Ornithology. — Photos: BRYAN ANSELM/The New York Times Vanya ...

Have you ever looked at a bird and wondered, how can it be so red or so blue or so intensely yellow? Well, if you have, then you and several researchers have something in common. A new study finds ...