Cygnus cygnus vs whooper

Cygnus cygnus and whooper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cygnus cygnus	Yes	No	No	No
whooper	Yes	No	No	No

As nouns, Cygnus cygnus and whooper are synonyms defined as:

Cygnus cygnus and whooper: common Old World swan noted for its whooping call

Other synonyms of Cygnus cygnus include whooper swan.

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