Citellus richardsoni vs Richardson ground squirrel

Citellus richardsoni and Richardson ground squirrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Citellus richardsoni	Yes	No	No	No
Richardson ground squirrel	Yes	No	No	No

As nouns, Citellus richardsoni and Richardson ground squirrel are synonyms defined as:

Citellus richardsoni and Richardson ground squirrel: of sagebrush and grassland areas of western United States and Canada

Other synonyms of Citellus richardsoni include flickertail.

Citellus richardsoni (noun)	Richardson ground squirrel (noun)
of sagebrush and grassland areas of western United States and Canada	of sagebrush and grassland areas of western United States and Canada