shorttail weasel vs Mustela erminea

shorttail weasel and Mustela erminea both are nouns.

Word	Noun	Adjective	Verb	Adverb
shorttail weasel	Yes	No	No	No
Mustela erminea	Yes	No	No	No

As nouns, shorttail weasel and Mustela erminea are synonyms defined as:

shorttail weasel and Mustela erminea: mustelid of Northern Hemisphere in its white winter coat

Other synonyms of shorttail weasel include ermine.

shorttail weasel (noun)	Mustela erminea (noun)
mustelid of Northern Hemisphere in its white winter coat	mustelid of Northern Hemisphere in its white winter coat