The Oil Bird (Steatornis caripensis) breeds from northwest Colombia and Trinidad to east Venezuela, and strays reported in Costa Rica and Panama. This nocturnal bird lives in caves. Its measures are 46 cm (18 inches) in height and 430 g in weight.
Above is rich brown, and below and on wing-coverts are dull rufous to cinnamon-brown. Its crown, middle wing-coverts, and underparts are spotted with black. Primaries dark brown, and the margins spotted with white. Bill and feet are pale reddish-brown.