Tui De Roy / Oilbird (Steatornis caripensis) nocturnal birds roosting and nesting in along walls of deep, narrow gorge in farmland, Tandayapa Valley, 1500m altitude, Ecuador

Murray Cooper / Oilbird (Steatornis caripensis) pair in nest with chick, Ecuador

Kim Taylor / Oilbirds {Steatornis caripensis} roosting in a cave during daylight, Trinidad, West Indies

Luiz Claudio Marigo / Colony of Oilbirds on nests in cave {Steatornis caripensis} Asa Wright, Trinidad.

Konrad Wothe / Oilbird (Steatornis caripensis) parent and chicks on nest in Aripo Caves, birds use a form of echolocation to navigate, Trinidad, West Indies, Caribbean

Konrad Wothe / Oilbird (Steatornis caripensis) pair on nest in Aripo Caves, birds use a form of echolocation to navigate, Trinidad, West Indies, Caribbean

Michael & Patricia Fogden / Oilbird (Steatornis caripensis) adult on nest with two chicks, rainforest, Peru