Arctic fox vs Alopex lagopus

Arctic fox and Alopex lagopus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arctic fox	Yes	No	No	No
Alopex lagopus	Yes	No	No	No

As nouns, Arctic fox and Alopex lagopus are synonyms defined as:

Arctic fox and Alopex lagopus: thickly-furred fox of Arctic regions; brownish in summer and white in winter

Other synonyms of Arctic fox include white fox.

Arctic fox (noun)	Alopex lagopus (noun)
thickly-furred fox of Arctic regions; brownish in summer and white in winter	thickly-furred fox of Arctic regions; brownish in summer and white in winter