Brown-headed Cowbird: North America’s Brood Parasite
The Brown-headed Cowbird (Molothrus ater) is fascinating. It parasitizes over 220 North American bird species. It lays eggs in other birds’ nests. These birds then raise the cowbird’s chicks, unaware they’re not their own. This bird is North America’s top brood parasite. Female cowbirds lay many eggs per season. This harms the populations of many…