American white pelican has a large, heavy beak that's yellow-orange in color. Besides catching fish, pelicans use their bills to get rid of excess salt ...

Birds are some of the most colorful and ... The Tooth-Billed Pigeon has a weird-looking, bright-red beak with tooth-like ...

they're trying to get their bearings when they come face to face with a giant two-faced bird with peculiar eyeballs and a pair of fearsome beaks. Join our Watch Party! Sign up to receive USA ...

Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for opening the hard seeds. Smaller finches with less-powerful beaks perished.

But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences a bird’s vocal range, and the kinds of sounds it can make? Beak size? Body size? Geography? To ...