The Pinnate Bittern (Botaurus pinnatus) ranges from South Mexico to Argentina. Lives in shallow freshwater marshes, lake borders with cattails, tall sedges, and flooded pastures with tall grass. Its size is of 66 cm (26 inches) in height and 850 g in weight.
Its throat, foreneck, and median underparts are white. Its foreneck and breast are broadly streaked with pale brown. Facial skin bright yellow, bill horn-color, and legs greenish. It feeds on fishes, frogs, and rodents.