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 ...

Brood parasites are some of the bird kingdom’s most notorious sneaks. They don’t rear their own young but instead pawn the task of child care off onto other species without their knowledge. Instead of ...

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 ...

CHAMPAIGN, Ill. — Brown-headed cowbirds are generalist brood parasites, laying their eggs in the nests of many other bird species and letting the host parents raise their young. A new study seeks to ...

Hosts of brood parasites defend their nests against parasitism by aggression and subsequently, if parasitized, by rejection of the parasite egg or nestling. Cuckoos have evolved plumage mimicry with ...

Newly hatched birds might seem like delicate, feeble creatures, but some chicks burst out of their eggshells ready to brawl. These little fighters exercise in their eggs before hatching to build up ...