Dendroica striate vs blackpoll

Dendroica striate and blackpoll both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dendroica striate	Yes	No	No	No
blackpoll	Yes	No	No	No

As nouns, Dendroica striate and blackpoll are synonyms defined as:

Dendroica striate and blackpoll: North American warbler having a black-and-white head

Dendroica striate (noun)	blackpoll (noun)
North American warbler having a black-and-white head	North American warbler having a black-and-white head