Fur trade Russia exported raw furs, consisting in most cases of the pelts of martens, beavers, wolves, foxes, squirrels and hares. Between the 16th and 18th centuries, Russians began to settle in Siberia, a region rich in many mammal fur species, such as Arctic fox, lynx, sable, sea otter and stoat (ermine). In a search for the prized sea otter pelts, first used in China, and later for the northern fur seal, the Russian Empire expanded into North America, notably Alaska. From the 17th through the second half of the 19th century, Russia was the world's largest supplier of fur. The fur
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"),