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

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

The Fish and Wildlife Service said the Suckley’s cuckoo bumblebee has not been observed in the U.S. since 2016. The Fish and Wildlife Service proposed extending Endangered Species Act protections ...

Add Yahoo as a preferred source to see more of our stories on Google. Parenting can be lots of work for a bird: all that flying back and forth transporting grubs and insects to a nest of demanding ...

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 ...