Citellus parryi vs parka squirrel

Citellus parryi and parka squirrel both are nouns.

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

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

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

Other synonyms of Citellus parryi include Arctic ground squirrel.

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