Passerina cyanea vs indigo finch

Passerina cyanea and indigo finch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Passerina cyanea	Yes	No	No	No
indigo finch	Yes	No	No	No

As nouns, Passerina cyanea and indigo finch are synonyms defined as:

Passerina cyanea and indigo finch: small deep blue North American bunting

Other synonyms of Passerina cyanea include indigo bird, indigo bunting.

Passerina cyanea (noun)	indigo finch (noun)
small deep blue North American bunting	small deep blue North American bunting