lesser rorqual vs piked whale

lesser rorqual and piked whale both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesser rorqual	Yes	No	No	No
piked whale	Yes	No	No	No

As nouns, lesser rorqual and piked whale are synonyms defined as:

lesser rorqual and piked whale: small finback of coastal waters of Atlantic and Pacific

Other synonyms of lesser rorqual include Balaenoptera acutorostrata, minke whale.

lesser rorqual (noun)	piked whale (noun)
small finback of coastal waters of Atlantic and Pacific	small finback of coastal waters of Atlantic and Pacific