The parents that inhabit the nest may mob the cuckoo mom, preventing her from dropping ... s an avid wildlife photographer, observed the birds’ behavior in 2014 in Amsterdam, where she lives.

Cuckoos are brood parasites who they lay their eggs in the nests of other bird species, a clever trick that spares the rearing and feeding of their own offspring. Why do other parent birds let ...

The multiple open-cup nests (pictured below) are the work of many different birds, but have all been commandeered by the common cuckoo, which lays its eggs in the nests of more than 100 other bird ...

Birds need to recognize a cuckoo egg dumped in their own nest and either throw out the strange egg or desert the nest to start afresh. In Japan, the common cuckoo recently switched to a new ...

Birds that lay their eggs in other birds' nests are called brood parasites. They don't build their own nests These birds leave their eggs in "someone else's" nest and rely on the host birds to ...

But the seed-eating birds shouldn't be affected, and their nests and the cuckoo eggs in them can get through the caterpillar drought just fine. "By laying eggs in the nests of several species ...