Rocky Mountain sheep vs Ovis canadensis

Rocky Mountain sheep and Ovis canadensis both are nouns.

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

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

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

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

Rocky Mountain sheep (noun)	Ovis canadensis (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