A leopard lying on the ground. Etching by M. De Bye after P. Potter. https://www.rawpixel.com/image/13963591/leopard-lying-the-ground-etching-bye-after-potterFree Image from public domain licensePNG Musician crocodile clipart, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/7685153/png-people-cartoonFree PNG from public domain licenseA man is leading the horse which is pulling a waggon loaded with wine casks while the dog travels on top. Etching by Colen… https://www.rawpixel.com/image/13985133/image-dog-horse-cartoonFree Image from public domain licenseRupsen, poppen en vlinders III (1680) by Jan Luyken and Jan Claesz ten Hoorn https://www.rawpixel.com/image/13737145/rupsen-poppen-vlinders-iii-1680-jan-luyken-and-jan-claesz-ten-hoornFree Image from public domain licenseLa faune des cadavres : application de l'entomologie à la médecine légale / par P. Mégnin. https://www.rawpixel.com/image/13992955/image-paper-cartoon-beeFree Image from public domain licenseA mint plant (Mentha species) with an associated moth or butterfly and its anatomical segments. Coloured etching, c. 1830. https://www.rawpixel.com/image/13954337/image-butterfly-flower-plantFree Image from public domain licenseSpurge laurel plant (Daphne laureola) with an associated moth and its anatomical segments. Coloured etching, c. 1831. https://www.rawpixel.com/image/13962708/image-butterfly-flower-plantFree Image from public domain licenseA seated orang-utan. Coloured etching by L. F. Couché and E. S. Rebel Massard after A.C. Vauthier. https://www.rawpixel.com/image/13958810/image-dog-cartoon-artFree Image from public domain licenseA pair of obese gouty men in night-caps gaping at a fly in fear that it may land on a gouty limb. Coloured etching by I.… https://www.rawpixel.com/image/13966644/image-cartoon-face-personFree Image from public domain licenseWapen van M.A. de Ruyter (in or after 1676 - in or before 1683) by anonymous https://www.rawpixel.com/image/13732541/wapen-van-ma-ruyter-in-after-1676-before-1683-anonymousFree Image from public domain licenseDesert-dwelling reptile from Egypt: two figures, the lower showing the reptile's skeleton. Coloured lithograph by Ch.… https://www.rawpixel.com/image/13956927/image-cartoon-skeleton-animalFree Image from public domain licenseGrant gazelle (1892 - 1931) by Henri Verstijnen and Henri Verstijnen https://www.rawpixel.com/image/13736506/grant-gazelle-1892-1931-henri-verstijnen-and-henri-verstijnenFree Image from public domain licenseFiguur De Herfst, met attribuut druiventros (c. 1764 - c. 1768) by Weesper porseleinfabriek and Christian Gottlob Berger https://www.rawpixel.com/image/13747650/photo-image-face-person-artFree Image from public domain licenseKan in de vorm van een gemutste aap (c. 1900 - c. 1925) by Gebr Tichelaar https://www.rawpixel.com/image/13749297/kan-vorm-van-een-gemutste-aap-c-1900-1925-gebr-tichelaarFree Image from public domain licenseUniform van een ruiter van het Regiment van der Hoop (1795) by S G Casten https://www.rawpixel.com/image/13789105/uniform-van-een-ruiter-van-het-regiment-van-der-hoop-1795-castenFree Image from public domain licenseCasting the Dice for Life or Death (1680 - 1720) by Jan van Huchtenburg https://www.rawpixel.com/image/13743138/casting-the-dice-for-life-death-1680-1720-jan-van-huchtenburgFree Image from public domain licenseThe evolution of sex / by Professor Patrick Geddes and J. Arthur Thomson. https://www.rawpixel.com/image/13970101/the-evolution-sex-professor-patrick-geddes-and-arthur-thomsonFree Image from public domain licensePlate Eight of 38 from Oeuvres de J. B. Huet by Jean Baptiste Huet https://www.rawpixel.com/image/8998574/plate-eight-from-oeuvres-huet-jean-baptiste-huetFree Image from public domain licensePortrait of the Elephant 'Alam Guman (1640), vintage elephant illustration. Original public domain image from The MET… https://www.rawpixel.com/image/12230561/image-person-art-vintageFree Image from public domain licenseAlligator png sticker, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/8782359/png-white-background-peopleFree PNG from public domain licenseSymptoms of Distress, from The Grand Steeplechase Over Leicestershire by Charles Bentley https://www.rawpixel.com/image/8991616/image-paper-horse-peopleFree Image from public domain licenseKing Charles I as Prince of Wales. Mezzotint by C. Turner after F. Delaram. https://www.rawpixel.com/image/14010917/king-charles-prince-wales-mezzotint-turner-after-delaramFree Image from public domain licenseVrouw op een paard gezeten met kan (1841 - 1857) by Johan Daniël Koelman https://www.rawpixel.com/image/13741619/vrouw-een-paard-gezeten-met-kan-1841-1857-johan-daniel-koelmanFree Image from public domain licenseAn image taken from the book "De Nieuwe en Onbekende Weereld". The image shows the unicorn, an unrealistic animal. https://www.rawpixel.com/image/11761586/image-dog-unicorn-paperFree Image from public domain licenseTwee brasems op een rivieroever (1664) by Albert Flamen, Jacques van Merlen and Lodewijk XIV koning van Frankrijk https://www.rawpixel.com/image/13755373/image-paper-cartoon-artFree Image from public domain licenseTwo zebus (bos indicus), one kneeling, one standing. Etching by S. C. Miger, ca. 1808, after N. Maréchal. https://www.rawpixel.com/image/13959198/image-cartoon-cow-artFree Image from public domain licenseAn unarmed huntsman, threatened by a wild boar, takes refuge in a tree. Coloured lithograph by A. Strassgschwandtner after… https://www.rawpixel.com/image/13953464/image-dog-cow-plantFree Image from public domain licenseCrocodile png illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/9068405/png-white-background-peopleFree PNG from public domain licenseTwo elephants walking. Photogravure after Eadweard Muybridge, 1887. https://www.rawpixel.com/image/13964231/two-elephants-walking-photogravure-after-eadweard-muybridge-1887Free Image from public domain licenseA large elephant with a monkey on its back and various flowers and insects. Etching by W. Hollar, 1663, after himself. https://www.rawpixel.com/image/13959330/image-horse-cartoon-faceFree Image from public domain licenseThe Devil and Death in a carriage. Etching by H. Heath, 1831. https://www.rawpixel.com/image/13961714/the-devil-and-death-carriage-etching-heath-1831Free Image from public domain licenseSaint George killing the dragon. Lithograph by F.A. Hanfstaengl. https://www.rawpixel.com/image/14016206/saint-george-killing-the-dragon-lithograph-fa-hanfstaenglFree Image from public domain licenseSaint George on horseback, naked and wearing a helmet, fighting the dragon. Stipple engraving by W. Roffe after F.R. Roffe… https://www.rawpixel.com/image/14014074/image-dragon-horse-cartoonFree Image from public domain licenseVlinders en libellen (1594 - 1644) by anonymous, Nicolaes de Bruyn and Claes Jansz Visscher II https://www.rawpixel.com/image/13731326/image-paper-butterfly-cartoonFree Image from public domain licenseA woman breast feeding two puppies while a Mexican man and woman implore her to feed their baby, which is lying on the floor… https://www.rawpixel.com/image/14009733/image-dogs-cartoon-personFree Image from public domain licenseZeeschildpad (Cheloniidae) (1596 - 1610) by Anselmus Boëtius de Boodt https://www.rawpixel.com/image/13795095/zeeschildpad-cheloniidae-1596-1610-anselmus-boetius-boodtFree Image from public domain license