beauteous brown headed cowbird molothrus ater

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Beauteous Brown-Headed Cowbird Molothrus ater

The brown-headed cowbird Molothrus ater is a small obligate brood parasitic icterid of temperate native to subtropical North America. The brown-headed cowbird is an obligate brood parasite: it lays its eggs in the nests of other small passerines perching birds, particularly those that build cup-like nests. The brown-headed cowbird eggs have been documented in nests of at least 220 host species, including hummingbirds and raptors.