The dark, smudgy streaks on Xavi Bou's photographs suggest the jerky ink tracks created by a malfunctioning printer, but they actually record the various patterns birds trace while flying in flocks.

BND photojournalist Derik Holtmann recently captured images of a huge flock of birds flying in unison before sunset near Illinois 4 in Mascoutah. A gigantic flock of birds is a familiar site around ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most birds fly at low altitudes, relatively speaking. But ...

Some birds stay aloft for astonishing lengths of time, using clever sleep habits to survive long flights. These remarkable species show how migration can push creatures to extraordinary limits.

Birds are on the move as their annual spring migration begins. Radar tracking allows you to follow along to see what birds are flying overhead as the birds move to their summer feeding grounds. "The ...

As the weather gets chillier, birds are migrating, many crossing New Hampshire on their path to warmer climates. Hundreds of thousands of birds — warblers, tanagers, sandpipers, sparrows, hawks, even ...

Every autumn, billions of birds leave their breeding areas when the temperature drops and food gets scarce to spend the winter in more favorable climes, returning the following spring when warm ...

Birds flying in a V-formation aren't just for show; it's a clever energy-saving strategy. The lead bird creates an uplift, helping those behind glide more easily. Recent studies on ibises reveal ...

Believe it or not, fall migration is already underway. But it’s a harrowing journey back north for the hundreds of bird species that will fly through Wisconsin. Window collisions are a leading cause ...