Marco Polo's sheep vs Ovis poli

Marco Polo's sheep and Ovis poli both are nouns.

Word	Noun	Adjective	Verb	Adverb
Marco Polo's sheep	Yes	No	No	No
Ovis poli	Yes	No	No	No

As nouns, Marco Polo's sheep and Ovis poli are synonyms defined as:

Marco Polo's sheep and Ovis poli: Asiatic wild sheep with exceptionally large horns; sometimes considered a variety of the argali (or Ovis ammon)

Other synonyms of Marco Polo's sheep include Marco Polo sheep.

Marco Polo's sheep (noun)	Ovis poli (noun)
Asiatic wild sheep with exceptionally large horns; sometimes considered a variety of the argali (or Ovis ammon)	Asiatic wild sheep with exceptionally large horns; sometimes considered a variety of the argali (or Ovis ammon)