Found 2 items, similar to least bittern.
English → English (WordNet) Definition: least bittern least bittern n : small American bittern [syn: Ixobrychus exilis]
English → English (gcide) Definition: least bittern Bittern \Bit"tern\, n. [OE. bitoure, betore, bitter, fr. F. butor; of unknown origin.] (Zo["o]l.) A wading bird of the genus Botaurus, allied to the herons, of various species. [1913 Webster] Note: The common European bittern is Botaurus stellaris. It makes, during the brooding season, a noise called by Dryden bumping, and by Goldsmith booming. The American bittern is Botaurus lentiginosus, and is also called stake-driver and meadow hen. See Stake-driver. [1913 Webster] Note: The name is applied to other related birds, as the least bittern (Ardetta exilis), and the sun bittern . [1913 Webster]