Piranga rubra vs summer tanager

Piranga rubra and summer tanager both are nouns.

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

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

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

Other synonyms of Piranga rubra include summer redbird.

Piranga rubra (noun)	summer tanager (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