cowbird
/ˈkaʊbɜːd/noun
1- a New World songbird with dark plumage and a relatively short bill, typically laying its eggs in other birds' nests牛鹂。
1.1
- Genus Molothrus (and Scaphidura), family Icteridae: several species, in particular the widespread brown-headed (或 common) cowbird (M. ater).拟鹂属（及巨牛鹂属）, 拟鹂科： 数种, 尤指分布广泛的褐头牛鹂。