From geese and pelicans to cranes and cormorants, many birds use a V-shaped flock to master the aerodynamics of long-distance ...

Flock shape, speed and structure are key in deciphering whether radar readouts are birds, bats, insects or weather ...

Millions of birds are expected to take flight across the U.S. Saturday night, Sept. 6, as part of their fall migration, according to a nonprofit that tracks bird migrations, although numbers in ...