Ovis canadensis vs Rocky Mountain bighorn

Ovis canadensis and Rocky Mountain bighorn both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ovis canadensis	Yes	No	No	No
Rocky Mountain bighorn	Yes	No	No	No

As nouns, Ovis canadensis and Rocky Mountain bighorn are synonyms defined as:

Ovis canadensis and Rocky Mountain bighorn: wild sheep of mountainous regions of western North America having massive curled horns

Other synonyms of Ovis canadensis include bighorn, bighorn sheep, cimarron, Rocky Mountain sheep.

Ovis canadensis (noun)	Rocky Mountain bighorn (noun)
wild sheep of mountainous regions of western North America having massive curled horns	wild sheep of mountainous regions of western North America having massive curled horns