Basic Description The Brown-headed Cowbird is a stocky blackbird with a fascinating approach to raising its young. Females forgo building nests and instead put all their energy into producing eggs, …

Cowbirds are birds belonging to the genus Molothrus in the family Icteridae. They are of New World origin, but some species not native to North America are invasive there, and are obligate …

Mar 31, 2026 · The cowbird is native to North America, and many birders consider it a nuisance. Learn about the destructive bird and how to keep it out of your yard.

Centuries ago, the Brown-headed Cowbird probably followed bison herds on the Great Plains, feeding on insects flushed from the grass by the grazers. Today it follows cattle, and occurs abundantly from …

Feb 22, 2024 · Learn why the brown-headed cowbird is many birders' least favorite—and how to tell cowbird eggs apart from those of other species.

Today, brown-headed cowbirds occur throughout the United States. Cowbirds evolved to follow herds of grazing animals, often covering many miles in a day. They can little afford the time to build their …

Mar 1, 2023 · The Brown-headed Cowbird lives in much of Canada, and throughout the lower 48 states south into Mexico. These birds are especially common on farms and areas with cattle but they can …

Short tail and stocky body. Males are glossy black with chocolate brown head. Females are gray-brown overall, without bold streaks, but slightly paler throat. Juveniles streaked brown. Found in open …

The Brown-headed cowbird (Molothrus ater) is a sturdy blackbird with an unusual approach to parenthood. Females do not build nests but use all their energy for producing eggs, sometimes over …

The Brown-headed Cowbird (Molothrus ater or BHCO, 3 subspecies) and Bronzed Cowbird (Molothrus aeneus – found in TX, NW and AZ) breed in the United States. The Shiny Cowbird (M. bonariensis) …