Cowbird

Common card · No. 286892

Cowbirds are birds belonging to the genus Molothrus in the family Icteridae. They are of New World origin and are obligate brood parasites, laying their eggs in the nests of other species. The genus was introduced by English naturalist William Swainson in 1832 with the brown-headed cowbird (Molothrus ater) as the type species. The genus name combines the Ancient Greek mōlos, meaning "struggle" or "battle", with thrōskō, meaning "to sire" or "to impregnate". The English name "cowbird", first recorded in 1839, refers to this species often being seen near cattle.

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