Mustela vison (American mink)
| Class | Mammalia |
| Order | Carnivora |
| Family | Mustelidae |
| Genus | Mustela |
| Species | Mustela vison |
| Common | American mink |

| Diet | Crayfish, frogs, fish, birds, small mammals. |
| Habitat | Semi-aquatic; streams, lakes, and marshes. |
| Description | Small Mustelid, uniformly dark brownish-black (occasionally with small white splotches on venter). Toes partially webbed. |
| Skull Characteristics | Postglenoid length less than ½ of the condylobasal length. Auditory bullae triangular (compare to M. frenata). Condylobasal length <85 mm, >50 mm. Mustela: 34 teeth, 3 premolars, upper molar constricted |
| Notes | Also called Neovison vison
Link to more species information: Smithsonian Animal Diversity Web |