oilbird vs Steatornis caripensis

oilbird and Steatornis caripensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
oilbird	Yes	No	No	No
Steatornis caripensis	Yes	No	No	No

As nouns, oilbird and Steatornis caripensis are synonyms defined as:

oilbird and Steatornis caripensis: nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter

Other synonyms of oilbird include guacharo.

oilbird (noun)	Steatornis caripensis (noun)
nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter	nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter