redstart vs Setophaga ruticilla

redstart and Setophaga ruticilla both are nouns.

Word	Noun	Adjective	Verb	Adverb
redstart	Yes	No	No	No
Setophaga ruticilla	Yes	No	No	No

As nouns, redstart and Setophaga ruticilla are synonyms defined as:

redstart and Setophaga ruticilla: flycatching warbler of eastern North America the male having bright orange on sides and wings and tail

Other synonyms of redstart include American redstart.

redstart (noun)	Setophaga ruticilla (noun)
European songbird with a reddish breast and tail; related to Old World robins	flycatching warbler of eastern North America the male having bright orange on sides and wings and tail
flycatching warbler of eastern North America the male having bright orange on sides and wings and tail