Balaenoptera physalus vs common rorqual

Balaenoptera physalus and common rorqual both are nouns.

Word	Noun	Adjective	Verb	Adverb
Balaenoptera physalus	Yes	No	No	No
common rorqual	Yes	No	No	No

As nouns, Balaenoptera physalus and common rorqual are synonyms defined as:

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

Other synonyms of Balaenoptera physalus include fin whale, finback, finback whale.

Balaenoptera physalus (noun)	common rorqual (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