The European mink is having similiar problems. Some asshole who wanted to get rich imported American mink to keep on fur farms. Well, the minks escaped, and now they are competing with the European mink which is now critically endangered because of it. Makes me fucking mad, it does.
The European mink says: "Fur farmers are assholes!"
This article outlines the damage the American mink has done to other wildlife:
http://news.nationalgeographic.com/n...wireminks.html