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 licenseThe European Otter (Mustela Lutra) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own… https://www.rawpixel.com/image/324263/premium-illustration-psd-otter-european-mustela-lutra-otter-antiqueView licenseLittle American Brown Weasel (Mustela fusca) from the viviparous quadrupeds of North America (1845) illustrated by John… https://www.rawpixel.com/image/321882/free-illustration-image-weasel-audubon-viviparous-quadrupedsFree 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 licenseMustela Martes (1845- 1848) illustrated by John Woodhouse Audubon (1812-1862). Original from the Smithsonian National Museum… https://www.rawpixel.com/image/8849241/image-john-james-audubon-mammal-1840Free Image from public domain licenseVintage illustrations of European otter https://www.rawpixel.com/image/523866/premium-illustration-vector-otter-1892-animalView licenseVintage illustrations of The European Otter https://www.rawpixel.com/image/523898/premium-illustration-psd-otter-1892-ancientView licenseKinkajou (Potos caudivolvulus) and The European Otter (Mustela Lutra) illustrated by Charles Dessalines D' Orbigny (1806… https://www.rawpixel.com/image/324096/free-illustration-image-otter-european-mustela-lutra-charles-dessalinesFree Image from public domain licenseHermelijn (Mustela erminea) (1596 - 1610) by Anselmus Boëtius de Boodt, Elias Verhulst and anonymous https://www.rawpixel.com/image/13795384/image-paper-art-watercolorFree Image from public domain licenseHermelijn (Mustela erminea) en nerts (Mustela lutreola) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13795349/image-paper-cartoon-watercolorFree Image from public domain licenseThe European Otter (Mustela Lutra) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own… https://www.rawpixel.com/image/324229/premium-illustration-image-otter-ancient-animalView licenseFret (Mustela putorius furo) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13795348/image-paper-watercolor-animalFree Image from public domain licenseAbove, a musk rat, a lemming, three birds and a weasel (mustela); below, three insects, a stoat, a bird, a sprig and fruits… https://www.rawpixel.com/image/13982212/image-cartoon-tree-artFree Image from public domain licenseWeasel (Mustela nivalis) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13795676/image-paper-watercolor-animalFree Image from public domain license