Eschrichtius robustus vs gray whale

Eschrichtius robustus and gray whale both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eschrichtius robustus	Yes	No	No	No
gray whale	Yes	No	No	No

As nouns, Eschrichtius robustus and gray whale are synonyms defined as:

Eschrichtius robustus and gray whale: medium-sized greyish-black whale of the northern Pacific

Other synonyms of Eschrichtius robustus include devilfish, Eschrichtius gibbosus, grey whale.

Eschrichtius robustus (noun)	gray whale (noun)
medium-sized greyish-black whale of the northern Pacific	medium-sized greyish-black whale of the northern Pacific