Ovis canadensis vs Rocky Mountain sheep

Ovis canadensis and Rocky Mountain sheep both are nouns.

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

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

Ovis canadensis and Rocky Mountain sheep: 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 bighorn.

Ovis canadensis (noun)	Rocky Mountain sheep (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