Piranga rubra vs summer redbird

Piranga rubra and summer redbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Piranga rubra	Yes	No	No	No
summer redbird	Yes	No	No	No

As nouns, Piranga rubra and summer redbird are synonyms defined as:

Piranga rubra and summer redbird: of middle and southern United States; male is deep rose-red the female mostly yellow

Other synonyms of Piranga rubra include summer tanager.

Piranga rubra (noun)	summer redbird (noun)
of middle and southern United States; male is deep rose-red the female mostly yellow	of middle and southern United States; male is deep rose-red the female mostly yellow