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.

Across the Northern Hemisphere, satellite tags and backyard observations are revealing a surprising pattern: some birds are ...

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 ...

Red backed shrikes migrate using a fixed schedule, flying in stages with little variation, showing that genetics guide bird migration.

Large clusters appearing on weather radars are likely massive flocks of migrating birds, not storms. A record-breaking 1.2 billion birds were estimated to be migrating in a single night during the ...

As late summer fades into autumn, Indiana’s skies transform into a living highway. Billions of birds begin their fall migration, heading south on a journey that spans hundreds — or even thousands — of ...

A bird has flown non-stop, apparently, from Alaska to the Australian state of Tasmania. And now this young bar-tailed godwit — a member of the sandpiper family — appears to have set a non-stop ...

WICHITA, Kan. (KWCH) - We’re just a few days away from the official start of fall. But we’re already starting to notice some season changes. You may not realize it, but while we sleep at night, ...

A swirling “bird tornado” over farmland near Torrington turned out to be a flock of European starlings. While a sight to see, ...

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 ...

Recently a friend asked me why a bird was flying against the side view window of her car and what she could do to prevent it. Common in spring and during the migration periods of April to June and ...