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 ...

In fact, social monogamy is extremely common in birds and somewhat common in mammals, while sexual monogamy is vanishingly ...

The common cuckoo is easily one of the most well-known and studied brood parasitic bird species. It belongs to the cuckoo family, which includes roadrunners, coucals, koels, couas, malkohas, and anis.

Generally shy and elusive, the yellow-billed cuckoo can be easily overlooked. Its calls are usually loud and often provide the best evidence to the presence of the bird. It favors eating ...

Mysterious, elusive, and full of surprises, this bird's behaviour will leave you questioning everything you thought you knew ...

TUCSON, Ariz.— The U.S. Fish and Wildlife Service today designated 298,845 acres in Arizona, California, Colorado, Idaho, New Mexico, Texas and Utah as critical habitat for the western yellow-billed ...

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 ...