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 ...

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

Wind turbines may seem innocuous enough, but they have the potential to reshape the air birds fly through. In a recent ...