Black Nunbird - Its natural habitat is subtropical or tropical moist lowland forests.
White-fronted Nunbird - This glossy black, or gray-black bird with a stout, medium red-orange bill is named for the white face markings at the cere, the base of its bill; also the upper throat. It has black eyes and black or gray-black legs.
Black-fronted Nunbird - It is found in Amazonian Bolivia, Brazil, Colombia, Ecuador, and Peru; also regions of eastern and southeastern Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and heavily degraded former forest.