flickertail vs ground squirrel

flickertail and ground squirrel both are nouns.

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

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

flickertail: of sagebrush and grassland areas of western United States and Canada
ground squirrel: any of various terrestrial burrowing rodents of Old and New Worlds; often destroy crops

Other hypernyms of flickertail include gopher, spermophile.

flickertail (noun)	ground squirrel (noun)
of sagebrush and grassland areas of western United States and Canada	any of various terrestrial burrowing rodents of Old and New Worlds; often destroy crops
	small striped semiterrestrial eastern American squirrel with cheek pouches