Fur clothing left their original pattern and color. Fur may be shorn down to imitate the feel of velvet, creating a fabric called shearling. Common animal sources for fur clothing and fur trimmed accessories include fox, rabbit, mink, raccoon dogs, muskrat, beaver, stoat (ermine), otter, sable, seals, cats, dogs, coyotes, wolves, chinchilla, and opossum and common brushtail possum. Some of these are more highly prized than others, and there are many grades and colors. In Europe and Asia, cheap and plentiful dog and cat fur is sold under different names to disguise the origin from shoppers in the United States, such as
American marten conservation issues centered around subspecies rather than ranges. "Martes americana americana" subspecies group: "Martes americana caurina" subspecies group: The American marten is broadly distributed in northern North America. From north to south its range extends from the northern limit of treeline in arctic Alaska and Canada to northern New Mexico. From east to west its distribution extends from Newfoundland and south west to Napa County, California. In Canada and Alaska, American marten distribution is vast and continuous. In the western United States, American marten distribution is limited to mountain ranges that provide preferred habitat. Over time, the distribution of American