sloth bear vs Melursus ursinus

sloth bear and Melursus ursinus both are nouns.

Word	Noun	Adjective	Verb	Adverb
sloth bear	Yes	No	No	No
Melursus ursinus	Yes	No	No	No

As nouns, sloth bear and Melursus ursinus are synonyms defined as:

sloth bear and Melursus ursinus: common coarse-haired long-snouted bear of south-central Asia

Other synonyms of sloth bear include Ursus ursinus.

sloth bear (noun)	Melursus ursinus (noun)
common coarse-haired long-snouted bear of south-central Asia	common coarse-haired long-snouted bear of south-central Asia