firebird vs Piranga olivacea

firebird and Piranga olivacea both are nouns.

Word	Noun	Adjective	Verb	Adverb
firebird	Yes	No	No	No
Piranga olivacea	Yes	No	No	No

As nouns, firebird and Piranga olivacea are synonyms defined as:

firebird and Piranga olivacea: the male is bright red with black wings and tail

Other synonyms of firebird include redbird, scarlet tanager.

firebird (noun)	Piranga olivacea (noun)
eastern subspecies of northern oriole	the male is bright red with black wings and tail
the male is bright red with black wings and tail
tropical American flycatcher found as far north as southern Texas and Arizona; adult male has bright scarlet and black plumage