Indian elephant vs Elephas maximus

Indian elephant and Elephas maximus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian elephant	Yes	No	No	No
Elephas maximus	Yes	No	No	No

As nouns, Indian elephant and Elephas maximus are synonyms defined as:

Indian elephant and Elephas maximus: Asian elephant having smaller ears and tusks primarily in the male

Indian elephant (noun)	Elephas maximus (noun)
Asian elephant having smaller ears and tusks primarily in the male	Asian elephant having smaller ears and tusks primarily in the male