Mustela nigripes vs black-footed ferret

Mustela nigripes and black-footed ferret both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mustela nigripes	Yes	No	No	No
black-footed ferret	Yes	No	No	No

As nouns, Mustela nigripes and black-footed ferret are synonyms defined as:

Mustela nigripes and black-footed ferret: musteline mammal of prairie regions of United States; nearly extinct

Other synonyms of Mustela nigripes include ferret.

Mustela nigripes (noun)	black-footed ferret (noun)
musteline mammal of prairie regions of United States; nearly extinct	musteline mammal of prairie regions of United States; nearly extinct