hooded seal vs Cystophora cristata

hooded seal and Cystophora cristata both are nouns.

Word	Noun	Adjective	Verb	Adverb
hooded seal	Yes	No	No	No
Cystophora cristata	Yes	No	No	No

As nouns, hooded seal and Cystophora cristata are synonyms defined as:

hooded seal and Cystophora cristata: medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters

Other synonyms of hooded seal include bladdernose.

hooded seal (noun)	Cystophora cristata (noun)
medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters	medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters