Leopard Spermophile, Male and Female. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7652592/image-vintage-art-public-domainFree Image from public domain licenseLeopard Spermophile (Spermophilus tridecemlineatus) from the viviparous quadrupeds of North America (1845) illustrated by… https://www.rawpixel.com/image/321801/free-illustration-image-leopard-audubon-wildlife-america-illustrationsFree Image from public domain licenseLarge-tailed Spermophile (Spermophilus macrourus) from the viviparous quadrupeds of North America (1845) illustrated by John… https://www.rawpixel.com/image/321799/free-illustration-image-audubon-quadrupeds-viviparousFree Image from public domain licenseDouglasse's Spermophile (Spermophilus Douglassii) from the viviparous quadrupeds of North America (1845) illustrated by John… https://www.rawpixel.com/image/321932/free-illustration-image-audubon-viviparous-quadrupeds-spermophile-vintageFree Image from public domain license