hussar monkey vs Erythrocebus patas

hussar monkey and Erythrocebus patas both are nouns.

Word	Noun	Adjective	Verb	Adverb
hussar monkey	Yes	No	No	No
Erythrocebus patas	Yes	No	No	No

As nouns, hussar monkey and Erythrocebus patas are synonyms defined as:

hussar monkey and Erythrocebus patas: reddish long-tailed monkey of west Africa

Other synonyms of hussar monkey include patas.

hussar monkey (noun)	Erythrocebus patas (noun)
reddish long-tailed monkey of west Africa	reddish long-tailed monkey of west Africa