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 ...

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 ...

Hummingbirds are unique among birds for numerous reasons, and that also includes their backward flying capability. Like ...