Richardson ground squirrel vs Citellus richardsoni

Richardson ground squirrel and Citellus richardsoni both are nouns.

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

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

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

Other synonyms of Richardson ground squirrel include flickertail.

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