Grus americana vs whooper

Grus americana and whooper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Grus americana	Yes	No	No	No
whooper	Yes	No	No	No

As nouns, Grus americana and whooper are synonyms defined as:

Grus americana and whooper: rare North American crane having black-and-white plumage and a trumpeting call

Other synonyms of Grus americana include whooping crane.

Grus americana (noun)	whooper (noun)
rare North American crane having black-and-white plumage and a trumpeting call	common Old World swan noted for its whooping call
	rare North American crane having black-and-white plumage and a trumpeting call