Brown-headed cowbirds are not what one would call nice. The black birds with brown heads are known as brood parasites for their habit of laying eggs in the active nests of songbirds. Because their ...

Last year, we watched a beautiful scarlet tanager feeding some ugly cowbird fledglings at Martin Burns Wildlife Management Area. I have watched a warbler, a pine warbler, at its nest in Maudslay State ...

Q. Do brown-headed cowbirds pick the nest of another bird to lay eggs in based on which kind of bird raised them as a nestling? In other words, if a cowbird is raised as a chick by a red-winged ...

Birds such as the cowbird that lay their eggs in the nests of other birds have evolved strategies to disguise their chicks and not just their eggs.