Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

There’s nothing like that first spring salad you’ve been babying for weeks. And there’s nothing like walking out one damp ...

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 ...

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

Search for the lovely American avocet along coastlines, lakes, and ponds. Plus, learn about their unique technique when foraging for food.

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...