Campephilus principalis vs ivorybill

Campephilus principalis and ivorybill both are nouns.

Word	Noun	Adjective	Verb	Adverb
Campephilus principalis	Yes	No	No	No
ivorybill	Yes	No	No	No

As nouns, Campephilus principalis and ivorybill are synonyms defined as:

Campephilus principalis and ivorybill: large black-and-white woodpecker of southern United States and Cuba having an ivory bill; nearly extinct

Other synonyms of Campephilus principalis include ivory-billed woodpecker.

Campephilus principalis (noun)	ivorybill (noun)
large black-and-white woodpecker of southern United States and Cuba having an ivory bill; nearly extinct	large black-and-white woodpecker of southern United States and Cuba having an ivory bill; nearly extinct