 Japanese marten

The Japanese marten ("Martes melampus") is a mammal in the marten genus most closely related to the sable.It is 0.5 m (1.5 ft) in length typically, not counting a 20-cm-long tail (7.9 in), and between 1,000 and 1,500 grams (2.2 and 3.3 lb) in weight.