finback whale vs Balaenoptera physalus

finback whale and Balaenoptera physalus both are nouns.

Word	Noun	Adjective	Verb	Adverb
finback whale	Yes	No	No	No
Balaenoptera physalus	Yes	No	No	No

As nouns, finback whale and Balaenoptera physalus are synonyms defined as:

finback whale and Balaenoptera physalus: large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific

Other synonyms of finback whale include common rorqual, fin whale, finback.

finback whale (noun)	Balaenoptera physalus (noun)
large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific	large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific