Mammuthus primigenius vs northern mammoth

Mammuthus primigenius and northern mammoth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mammuthus primigenius	Yes	No	No	No
northern mammoth	Yes	No	No	No

As nouns, Mammuthus primigenius and northern mammoth are synonyms defined as:

Mammuthus primigenius and northern mammoth: very hairy mammoth common in colder portions of the Northern Hemisphere

Other synonyms of Mammuthus primigenius include woolly mammoth.

Mammuthus primigenius (noun)	northern mammoth (noun)
very hairy mammoth common in colder portions of the Northern Hemisphere	very hairy mammoth common in colder portions of the Northern Hemisphere