Siberian fur trade fur surpasses all other types of fur due to its silky dense texture and luminous shades of beige, brown, gold, silver, and black. The darkest shades of sable fur are the most valuable. Next to sable, Siberian fox furs and squirrel pelts are the most valued furs from the region. In addition to sable, black and white fox, ermine, beaver, squirrel, lynx, wolf, wolverine, rabbit, marten, walrus, sea otter, and polar bear were also hunted for their pelts. Most of these fur bearing animals are found in the Siberian taiga, except for the sea otters and walrus that were found
Humboldt marten Humboldt marten The Humboldt marten ("Martes americana humboldtensis or Martes caurina humboltensis") is an endangered, genetically distinct subspecies of the American marten known only from the old-growth coastal redwood forests of the U.S. states of California and Oregon. Less than 300 of them survive in both states combined, in three different populations of 100 each; one in northern California, one straddling the California-Oregon border, and one in Oregon Dunes National Recreation Area. The subspecies was in fact considered extinct until being rediscovered in the Six Rivers National Forest in 1996. They are most threatened by a lack of population expansion