When the cuckoo chick hatches, it ejects other eggs or hatchlings to get all the space—and food—for itself. Hungry as a whole brood, the outsize baby devours everything brought by its foster ...

Cuckoos have a pleasant reputation as beautiful birds associated with spring, but their reproductive strategy tells a very ...

The chicks of a species of Australian cuckoo can adjust their call in order to fool other species into rearing them, despite never having heard the cry, researchers have found. Like their European ...

A lot of us will change our wardrobe to fit into a crowd, and the brood parasite known as the cuckoo has used evolution to do the same thing. Because cuckoos lay their eggs in the nest of a host bird, ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. How do new species arise? And why are there so many of them? One possible ...

Subspecies of the little bronze-cuckoo and the shining bronze-cuckoo track the appearance of their host’s chicks across their geographic range. Image shows: A. Little bronze-cuckoo and mangrove ...