Hudson Bay Lemming (Myodes Hudsonius) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse… https://www.rawpixel.com/image/321862/free-illustration-image-audubon-viviparous-quadrupeds-1800sFree Image from public domain licenseBay-breasted Warbler from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277166/free-illustration-image-audubon-birds-america-public-domain-john-jamesFree Image from public domain licenseGrass Finch, or Bay-winged Bunting from Birds of America (1827) by John James Audubon, etched by William Home Lizars.… https://www.rawpixel.com/image/277291/free-illustration-image-audubon-birds-america-public-domainFree Image from public domain license