Gua·cha·ro n. Zool. A nocturnal bird of South America and Trinidad (Steatornis Caripensis, or S. steatornis); -- called also oilbird.
Note: ☞ It resembles the goatsuckers and nighthawks, but feeds on fruits, and nests in caverns. A pure oil, used in place of butter, is extracted from the young by the natives.
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Steatornis caripensis
n : nocturnal fruit-eating bird of South America that has fatty
young yielding an oil that is used instead of butter
[syn: oilbird, guacharo]