Gang-Gang Cockatoo (Callocephalon fimbriatum) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10238034/image-art-vintage-cartoonFree Image from public domain licenseGang-gang cockatoo vintage bird illustration. Remixed by rawpixel. https://www.rawpixel.com/image/11846315/image-art-vintage-cartoonView licenseKomt, kinderen, ziet deez' wakkren haan, / Die u tot nijverheid spoort aan / Le cocq reveil-matin vous donne l'intelligence… https://www.rawpixel.com/image/13737267/image-paper-cartoon-artFree Image from public domain license