Seven different specimen of the families of wolves and foxes (canis lupus and vulpes). Coloured etching by J. Miller. https://www.rawpixel.com/image/13962540/image-dog-cat-cartoonFree Image from public domain licenseTwo foxes (Canis vulpes) in the snow. Colour reproduction of a painting by W Kuhnert. https://www.rawpixel.com/image/13963734/image-cat-plant-kangarooFree Image from public domain licenseAmerican Cross-Fox (Canis vulpes) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse… https://www.rawpixel.com/image/321897/free-illustration-image-fox-audubon-vintageFree Image from public domain license