brown-headed cowbird

noun

brown-head·​ed cowbird ˈbrau̇n-ˌhe-dəd- How to pronounce brown-headed cowbird (audio)
: a cowbird (Molothrus ater) widespread in the U.S. and southern Canada in which the male is black with a brown head and the female is gray
The most famous brood parasites, the European cuckoo and the brown-headed cowbird, lay their eggs in nests of other species.Charles R. Brown and Mary Bomberger Brown
Sadly, the vireo is vulnerable to a nest parasite, the brown-headed cowbird, that flourishes near livestock and in urban fringe areas.Karen D. Fishler

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of brown-headed cowbird was in 1949

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Cite this Entry

“Brown-headed cowbird.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown-headed%20cowbird. Accessed 1 Jul. 2026.

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