suslik vs ground squirrel

suslik and ground squirrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
suslik	Yes	No	No	No
ground squirrel	Yes	No	No	No

As nouns, ground squirrel is a hypernym of suslik; that is, ground squirrel is a word with a broader meaning than suslik:

suslik: rather large central Eurasian ground squirrel
ground squirrel: any of various terrestrial burrowing rodents of Old and New Worlds; often destroy crops

Other hypernyms of suslik include gopher, spermophile.

suslik (noun)	ground squirrel (noun)
rather large central Eurasian ground squirrel	any of various terrestrial burrowing rodents of Old and New Worlds; often destroy crops
	small striped semiterrestrial eastern American squirrel with cheek pouches