Bonasa umbellus vs ruffed grouse

Bonasa umbellus and ruffed grouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bonasa umbellus	Yes	No	No	No
ruffed grouse	Yes	No	No	No

As nouns, Bonasa umbellus and ruffed grouse are synonyms defined as:

Bonasa umbellus and ruffed grouse: valued as a game bird in eastern United States and Canada

Other synonyms of Bonasa umbellus include partridge.

Bonasa umbellus (noun)	ruffed grouse (noun)
valued as a game bird in eastern United States and Canada	valued as a game bird in eastern United States and Canada