Addax nasomaculatus vs addax

Addax nasomaculatus and addax both are nouns.

Word	Noun	Adjective	Verb	Adverb
Addax nasomaculatus	Yes	No	No	No
addax	Yes	No	No	No

As nouns, Addax nasomaculatus and addax are synonyms defined as:

Addax nasomaculatus and addax: large antelope with lightly spiraled horns of desert regions of northern Africa

Addax nasomaculatus (noun)	addax (noun)
large antelope with lightly spiraled horns of desert regions of northern Africa	large antelope with lightly spiraled horns of desert regions of northern Africa