Sarus crane in rice field, vintage Japanese animal painting, by G.A. Audsley-Japanese illustration. Public domain image… https://www.rawpixel.com/image/10193034/image-art-grass-vintageFree Image from public domain licenseTwee zilverreigers (1878–1905) print in high resolution by Theo van Hoytema. Original from The Rijksmuseum. Digitally… https://www.rawpixel.com/image/2732772/free-illustration-image-bird-art-nouveauFree Image from public domain licenseKraanvogel vliegend bij rode maan (1893) by Kano Tsunenobu, Aoki Kôsaburô and Aoki Kôsaburô https://www.rawpixel.com/image/13733451/image-paper-art-animalFree Image from public domain licenseZoological Society of London: a condor attacking a lamb on a rock. Coloured etching by W. Panormo after H. Smith. https://www.rawpixel.com/image/13967858/image-dog-cartoon-personFree Image from public domain licenseMaraboe in de regen (1905) print in high resolution by Theo van Hoytema. Original from The Rijksmuseum. Digitally enhanced… https://www.rawpixel.com/image/2727103/free-illustration-image-theo-van-hoytema-art-nouveau-animalsFree Image from public domain licenseA lame marabou (Een lamme maraboe) (1909) print in high resolution by Samuel Jessurun de Mesquita. Original from The… https://www.rawpixel.com/image/2689700/free-illustration-image-samuel-jessurun-mesquita-woodcut-patternFree Image from public domain licenseA pair of Whooper swans (Cygnus cygnus) in flight near the Oritkari harbour in Oulu. Original public domain image from… https://www.rawpixel.com/image/3340607/free-photo-image-heron-animal-ardeidaeFree Image from public domain licenseKop van een Hollandse ooievaar (1876 - 1951) by Theo Nieuwenhuis https://www.rawpixel.com/image/13792451/kop-van-een-hollandse-ooievaar-1876-1951-theo-nieuwenhuisFree Image from public domain license