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

Avian brood parasitism is a fascinating reproductive strategy wherein parasitic birds, such as the common cuckoo, lay their eggs in the nests of other avian species. This deceptive tactic forces ...

A George Mason University (GMU) biologist proposed an alternate theory of how the common cuckoo bird mimics other birds’ egg ...

Brood parasitism occurs when certain birds, such as cuckoos, lay their eggs in the nests of other species. This forces unsuspecting hosts to raise the parasite's chicks, often sacrificing their own ...

Birds separated by vast geographic distances and millions of years of evolution share a remarkably similar learned vocal warning to identify parasitic enemies near their nests, an international team ...