John James Audubon (American, 1785-1851), “Plate LXVI (66): Ivory-billed Woodpecker”, Ivory-billed Woodpecker (Campephilus principalis), From: “The Birds of America”,Hand-colored aquatint engraving on paper, c. 1827-1838, On loan from the collection of Dr. Michael and Elyn Stubblefield