Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

The nest parasites get a bad rap for making other birds raise their young, but study by study, Mark Hauber and his “Cowbird ...

Fossils from baby dinosaurs, some no bigger than a fingernail, point to the possibility that certain species lived and nested ...

Kākāpō ( Strigops habroptilus) are large, flightless, nocturnal parrots with mottled green and yellow plumage that only breed ...

The great eared nightjar, found across Asia, looks like a tiny dragon. Its camouflage, twilight hunting and unique behaviour ...

Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 ...