Indri brevicaudatus vs Indri indri

Indri brevicaudatus and Indri indri both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indri brevicaudatus	Yes	No	No	No
Indri indri	Yes	No	No	No

As nouns, Indri brevicaudatus and Indri indri are synonyms defined as:

Indri brevicaudatus and Indri indri: large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn

Other synonyms of Indri brevicaudatus include indri, indris.

Indri brevicaudatus (noun)	Indri indri (noun)
large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn	large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn