gannet vs Sula bassana

gannet and Sula bassana both are nouns.

Word	Noun	Adjective	Verb	Adverb
gannet	Yes	No	No	No
Sula bassana	Yes	No	No	No

As nouns, Sula bassana is a hyponym of gannet; that is, Sula bassana is a word with a more specific, narrower meaning than gannet:

gannet: large heavily built seabird with a long stout bill noted for its plunging dives for fish
Sula bassana: very large white gannet with black wing tips

Other hyponyms of gannet include solan, solan goose, solant goose, booby.

gannet (noun)	Sula bassana (noun)
large heavily built seabird with a long stout bill noted for its plunging dives for fish	very large white gannet with black wing tips