Hypertext Webster Gateway: "cowbird"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cowbird \Cow"bird`\ (-b[~e]rd`), n. (Zo["o]l.)
The cow blackbird ({Molothrus ater}), an American starling.
Like the European cuckoo, it builds no nest, but lays its
eggs in the nests of other birds; -- so called because
frequently associated with cattle.
From WordNet (r) 1.7 (wn)
cowbird
n : North American blackbird that follows cattle and lays eggs
in other birds' nests
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