The Guacharo is a nocturnal bird native to South America, also known as the Oilbird. It is the only species in the genus Steatornis and the family Steatornithidae. It is a large bird, measuring up to 40 cm in length, with a wingspan of up to 1 m. Its diet consists mainly of fruits, which it obtains by climbing trees and shrubs. The Guacharo is an important part of the local ecosystem, as it helps disperse seeds and pollinate plants.