Ivory-billed Woodpecker (Campephilus principalis) from The Natural History of Carolina, Florida, and the Bahama Islands… https://www.rawpixel.com/image/414442/free-illustration-image-woodpecker-tropical-animals-black-and-white-birdsFree Image from public domain licenseIvory Billed Woodpecker, Green Woodpecker, Great Spotted Woodpecker, and Lesser Spotted Woodpecker. Digitally enhanced from… https://www.rawpixel.com/image/411911/free-illustration-image-birds-woodpecker-historyFree Image from public domain licenseIvory-billed Woodpecker from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277524/free-illustration-image-audubon-woodpecker-birds-america-public-domainFree Image from public domain licenseOn the Terrace of a Hotel in Bordighera: The Painter Jean Martin Reviews his Bill (1881) by Pierre-Auguste Renoir. Original… https://www.rawpixel.com/image/895089/artwork-pierre-auguste-renoirFree Image from public domain licenseIvory-billed Woodpeckers by Joseph Bartholomew Kidd https://www.rawpixel.com/image/9182735/image-arkansas-john-james-audubon-public-domain-watercolor-backgroundFree Image from public domain licenseEdited version of Plate 66 of Birds of America by John James Audubon depicting Ivory-billed Woodpecker. Hand-colored… https://www.rawpixel.com/image/7666501/image-art-vintage-handFree Image from public domain license