Alaskan minks are the largest, and they have high-quality light fur. A mink has 5 toes, but the smallest toe in the foot is rarely seen in tracks. Theri tracks are very similar to the gray squirrel's tracks. Minks have whiskers, but they are difficult to see. Domestic minks vary in many colors, but wild minks are usually brown to black.
Minks always have a white spot ont heir chest and under their chin.
The back of mink is darker that the front. It has dense under fur, and it has long, lustrous guard hairs. The mink mots twice a year. The winter coat is thick and dark. It molts in the spring into a flatter, browner coat.