Virginia deer vs Odocoileus Virginianus

Virginia deer and Odocoileus Virginianus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Virginia deer	Yes	No	No	No
Odocoileus Virginianus	Yes	No	No	No

As nouns, Virginia deer and Odocoileus Virginianus are synonyms defined as:

Virginia deer and Odocoileus Virginianus: common North American deer; tail has a white underside

Other synonyms of Virginia deer include white-tailed deer, white tail, whitetail, whitetail deer.

Virginia deer (noun)	Odocoileus Virginianus (noun)
common North American deer; tail has a white underside	common North American deer; tail has a white underside