Pine Marten (Mustela martes) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse Audubon… https://www.rawpixel.com/image/321869/free-illustration-image-audubon-marten-pineFree Image from public domain licensePennant's Marten (Mustela Canadensis) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse… https://www.rawpixel.com/image/321815/free-illustration-image-audubon-animals-martenFree Image from public domain license