Oilbird

• Science: Biology: Plants and Animals: Animalia: Chordata: Aves: Caprimulgiformes 

• AskNature: Oilbird  - A project of the Biomimicry Institute discusses how the eyes of oilbirds allow them to see in the dark, and provides a summary of the research, an expert contact, and possible application ideas.
• The Internet Bird Collection: Oilbird (Steatornithidae)  - Introduces the family Steatornithidae, which has one genus and one species, Steatornis caripensis or the oilbird. Describes the nocturnal fruit-eating bird, and provides videos.
• Oilbird - Steatornithidae  - Describes the large, strange, cave-dwelling vegetarian nightbird. With information on behaviour, photographs, and cited literature.
• SpeleoPhilately: Cave Dwelling Oilbird  - Overview of the bird, also known as a guacharo, with information about the caves where they can be found, and stamps featuring the birds.
• The Super-Senses of Oilbirds  - A creationist viewpoint claiming the species eludes an evolutionary explanation.