whippoorwill vs Caprimulgus vociferus

whippoorwill and Caprimulgus vociferus both are nouns.

Word	Noun	Adjective	Verb	Adverb
whippoorwill	Yes	No	No	No
Caprimulgus vociferus	Yes	No	No	No

As nouns, whippoorwill and Caprimulgus vociferus are synonyms defined as:

whippoorwill and Caprimulgus vociferus: American nocturnal goatsucker with grey-and-white plumage

whippoorwill (noun)	Caprimulgus vociferus (noun)
American nocturnal goatsucker with grey-and-white plumage	American nocturnal goatsucker with grey-and-white plumage