This story appears in the January 2018 issue of National Geographic magazine. For the care and feeding of its offspring, the common cuckoo outsources. When she’s ready to lay an egg, a female ...

Sometimes a bird species’ very survival depends on its ability to learn fast. Birds need to recognize a cuckoo egg dumped in their own nest and either throw out the strange egg or desert the ...

Adapted from Ken Kesey’s novel of the same name, the original production of One Flew Over The Cuckoo's Nest ran on Broadway in 1963. The celebrated film version, starring Jack Nicolson ...

A tray of tree pipit (Anthus trivialis) eggs from the Tomkinson Collection, held in the Museum's bird egg collection The Museum holds one of the largest and ... high variation in egg colour and ...

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 ...

The term comes from the cuckoo bird, which lays its eggs in the nests of other birds. See Easter Egg. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.