'Directional Velcro' on birds' feathers prevent gaps from forming between them when hit by a gust of wind. Courtesy of Lentink Lab / Stanford University It’s a bird, it’s a plane, it’s… a bit of both.

Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds evolve ...

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, ...

Birds can fly— at least, most of them can. Flightless birds like penguins and ostriches have evolved lifestyles that don’t require flight. However, there’s a lot that scientists don’t know about how ...