5 birds that lay eggs in other birds’ nests

Some birds use brood parasitism. They lay eggs in other species’ nests. Indigobirds trick finches. Common Cuckoos mimic predators. Honeyguides kill host young. Brown-headed Cowbirds outcompete chicks. Black-headed Ducks are peaceful parasites. These birds ensure survival through manipulation. They rely on other species for raising their young. This is a ruthless strategy in nature.