Japanese marten 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. Males are generally larger than females. The pelage varies in color from dark brown to dull yellow with a cream-colored throat. Both males and females are territorial, and the size of each individual's territory depending on food availability. The Japanese marten is omnivorous, preferring meat from fish, frogs, and small birds and
Beech marten surroundings more often and have yet to learn which items in their habitat are edible or not. The fishoil, often contained in the cables of cars of Japanese origin, may contribute to this. On 29 April and 21 November 2016, two beech martens shut down the Large Hadron Collider, the world's most powerful particle accelerator, by climbing on 18–66 kV electrical transformers located above ground near the LHCb and ALICE experiments, respectively. The second marten was stuffed and put on display in the Rotterdam Natural History Museum. Frederickson, B. (2007). Stone Marten. http://dnr.wi.gov/topic/invasives/documents/classification/lr_stonemarten.pdf Beech marten The beech marten ("Martes foina"),