The birds usually seem to be spotting a bald new haircut, not because of style, but because of a seasonal process they go through.

These birds are olive with bright yellow throats and breasts. And their black eye mask is offset by a blurry white line that separates the face from the head. The common yellowthroat is abundant ...

This little perpetual-motion machine needs to eat constantly because of its high metabolism and high body temperature. If it ...

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...

Monotypic (smaller, darker resident birds in southern ... Shows less red on head than related red-naped and red-breasted, and the back is more extensively scalloped with yellow-buff.

Most are distinguished by striking colors and bright plumage of yellow, blue, scarlet, and green. These colors distinguish them as some of the world's most dramatic and attractive birds.

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...