European herring gull by Kōno Bairei (1844-1895). Digitally enhanced from our own original 1913 edition of Barei Gakan. https://www.rawpixel.com/image/461097/free-illustration-image-wing-meiji-kono-bairei-birdFree Image from public domain licenseEuropean herring gull (Larus argentatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325874/free-illustration-image-seagull-von-wright-brothers-gullFree Image from public domain licenseEuropean herring gull (Larus Argentatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325857/free-illustration-image-von-wright-brothers-seagull-wrightFree Image from public domain licenseJameson's Gull (Xema Jamesonii) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321355/free-illustration-image-century-australia-gould-birdFree Image from public domain licenseEuropean herring gull (Larus argentatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326019/premium-illustration-psd-gull-seagull-americaView licenseEuropean herring gull (Larus Argentatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326034/premium-illustration-psd-america-ancient-animalView license