Burgomaster Gull from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 - 1878).… https://www.rawpixel.com/image/277255/free-illustration-image-audubon-birds-america-public-domainFree Image from public domain licensePng sticker glaucous gull bird hand drawn https://www.rawpixel.com/image/2634567/free-illustration-png-sea-bird-vintage-seabirdView licenseGlaucous gull ♂ (Larus hyperboreus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325776/premium-illustration-psd-seagull-gull-americaView licenseGlaucous gull ♂ (Larus hyperboreus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325820/free-illustration-image-von-wright-brothers-gull-vintage-seabirdFree Image from public domain license