bighorn vs Ovis canadensis

bighorn and Ovis canadensis both are nouns.

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

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

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

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

bighorn (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