Black-footed Ferret (2009). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061656/free-photo-image-polecat-ferret-black-footedFree Image from public domain licenseTwo black-footed ferret standing in soil looking at something. Original public domain image from Flickr https://www.rawpixel.com/image/3261393/free-photo-image-prairie-dog-weasel-animalFree Image from public domain licenseBlack-footed Ferret (Putorius nigripes) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse… https://www.rawpixel.com/image/321890/free-illustration-image-ferret-audubon-black-footedFree Image from public domain license