Native to North America, the brown-headed cowbird (Molothrus ater) has a reputation for being destructive to the nests of ...

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 ...

For example, Molothrus badius doesn't make nests and M. ater - the brown-headed cowbird studied here - does not even pair up, defend territory, and take care of its young. The Brown-headed cowbird is ...