Found 2 items, similar to cowbird.
English → English (WordNet) Definition: cowbird cowbird n : North American blackbird that follows cattle and lays eggs in other birds' nests
English → English (gcide) Definition: Cowbird 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. [1913 Webster]