The Black-Crowned Night-Heron (Nycticorax nycticorax) breeds from South Canada to Tierra del Fuego. Its natural habits are freshwater marshes, in cattails, gallery or swamp forests. Matures are 64 cm (25 inches) in height and 800 in weight.
It has a big head, with crown and back black, wings and tail are pail black. Rest of head, neck and upperparts white. Facial skin yellow-green, bill mostly black, and legs yellow. Its diet is based on fishes and frogs.