One of the brightest cotingas, this bird from the Amazon is full of colors, purple being on both its back and belly. This bird from Africa is often considered the world’s most gorgeous bird ...

This yellow-eyed large bird of prey has a brown back and wings ... Goldeneyes have gray-brown eyes when they hatch, then they change to purple-blue, blue, green-blue, and finally pale green ...

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 ...