Odobenus divergens vs walrus

Odobenus divergens and walrus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Odobenus divergens	Yes	No	No	No
walrus	Yes	No	No	No

As nouns, walrus is a hypernym of Odobenus divergens; that is, walrus is a word with a broader meaning than Odobenus divergens:

Odobenus divergens: a walrus of the Bering Sea and northern Pacific
walrus: either of two large northern marine mammals having ivory tusks and tough hide over thick blubber

Other hypernyms of Odobenus divergens include sea horse, seahorse.

Odobenus divergens (noun)	walrus (noun)
a walrus of the Bering Sea and northern Pacific	either of two large northern marine mammals having ivory tusks and tough hide over thick blubber