The natural history of the pachydermes. Or, thick-skinned quadrupeds; consisting of the elephants, rhinoceros, hippopotamus… https://www.rawpixel.com/image/13952122/image-cartoon-tiger-personFree Image from public domain licenseThe Naturalist’s Library by Sir William Jardine (1836), a majestic male peafowl portrait. Digitally enhanced from our… https://www.rawpixel.com/image/431469/beautiful-peafowlFree Image from public domain licenseYellowstone National Park, Ranger Naturalist Service (1938) vintage poster by C. Don Powell. Original public domain image… https://www.rawpixel.com/image/8628558/image-art-public-domain-blueFree Image from public domain licenseZion National Park, Ranger Naturalist Service (1938) vintage poster by C. Don Powell. Original public domain image from the… https://www.rawpixel.com/image/8628562/image-art-public-domain-blueFree Image from public domain licenseTitle: Studies in the art anatomy of animals (microform) : being a brief analysis of the visible forms of the more familiar… https://www.rawpixel.com/image/9974049/image-dog-art-bookFree Image from public domain licenseBacchante with Infant Faun by Frederick William MacMonnies (Sculptor) https://www.rawpixel.com/image/9050639/bacchante-with-infant-faun-frederick-william-macmonnies-sculptorFree Image from public domain licenseTitle Page: The Naturalist Library: Mammalia. Introduction. Volume: 1:13 by Charles Hamilton Smith https://www.rawpixel.com/image/9368614/image-palm-trees-art-watercolorFree Image from public domain licenseStudies in the art anatomy of animals (microform): being a brief analysis of the visible forms of the more familiar mammals… https://www.rawpixel.com/image/10545895/image-dog-art-vintageFree Image from public domain license