Bitterns of the genus Botaurus, occurring mainly in temperate regions, are larg.... bittern (

Bitterns of the genus Botaurus, occurring mainly in temperate regions, are large, and the sexes look alike. The largest member of the genus is the Eurasian bittern ( B. The American bittern ( B. Other forms are the Australian bittern ( B. poiciloptilus ) and the South American, or pinnated, bittern ( B. minutus ), of Eurasia, Africa, and Australia; and the Chinese little, or yellow, bittern ( I. sturmii ); and, in southeastern Asia, Schrenk's little bittern ( I. bittern (