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.

You can know a lot of things about birds just by the shape of their wings. A seafaring albatross, stretching out its sail-like airfoils, lives a very different life from a ground-dwelling antpitta ...

Why do geese and other birds fly in a V-shaped formation? This article explains the fascinating science behind one of nature's most efficient flying strategies, revealing how teamwork, aerodynamics ...

Birds in V-shaped formations save energy by adjusting wing flapping and timing. A new study reveals birds reduce flapping amplitude by about twenty-eight percent. This allows them to use less ...