The common brown-headed cowbird is the most widespread brood parasite ... almost finchlike. Foraging birds are commonly seen on the ground with the tail cocked. Adult male: the glossy black ...

Brown-headed Cowbirds (Molothrus ater) are brood parasites that lay their eggs in the nests of host species. Cowbird chicks typically grow up in mixed broods consisting of one or more cowbird chicks ...

The brown-headed cowbird is a species common throughout the United States and doesn’t build its own nest. It uses other birds’ nests to raise their baby birds. The brown-headed cowbird got its ...

Brood parasite, lays eggs in other birds’ nests. A female cowbird may lay as many as 40 eggs during the nesting season. Eggs are white with brown spots and are usually larger than host eggs. Female ...