parka squirrel vs Citellus parryi

parka squirrel and Citellus parryi both are nouns.

Word	Noun	Adjective	Verb	Adverb
parka squirrel	Yes	No	No	No
Citellus parryi	Yes	No	No	No

As nouns, parka squirrel and Citellus parryi are synonyms defined as:

parka squirrel and Citellus parryi: large ground squirrel of the North American far north

Other synonyms of parka squirrel include Arctic ground squirrel.

parka squirrel (noun)	Citellus parryi (noun)
large ground squirrel of the North American far north	large ground squirrel of the North American far north