Are Brown-headed Cowbirds Rare?
The brown-headed cowbird is North America’s most common “brood parasite.” A female cowbird makes no nest of her own, but instead lays her eggs in the nests of other bird species, who then raise the young cowbirds. What are cowbirds really called? What is a Cowbird? The brown-headed cowbird ( Molothrus ater ) is a … Read more