ivorybill

n. (Zool.) A large, handsome, black-and-white North American woodpecker (Campephilus principalis), having a large, sharp, ivory-colored beak. Its general color is glossy black, with white secondaries, and a white dorsal stripe. The male has a large, scarlet crest. It is now rare, and found only in the Gulf States and Cuba.
Syn. -- ivory-billed woodpecker, Campephilus principalis. [ 1913 Webster ]