Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in ...

Remember when you were a kid and you looked up at the sky to see dozens of geese soaring overhead in a V shape? "Why do they do that?" you probably wondered. Seeing birds — from geese to pelicans and ...

Ever seen a flock of birds flying in a perfect V formation and wondered why they line up that way? It is not just to look pretty. Flying in a V helps them save energy and makes long journeys easier ...