The common brown-headed cowbird is the most widespread brood parasite in North America. Poly­typic. Length 7.5". A smallish, compact and stocky blackbird with a short and thick-based bill ...

There is a large family of birds belonging to the blackbird family, but an invasive species often causes confusion.

That said, food and water supplies may also attract birds you don’t want, like the cowbird. Brown-headed cowbirds, commonly ...