A weasellike, usually albino mammal (Mustela putorius furo) related to the polecat and often trained to hunt rats or rabbits.

• 白鼬，雪貂：一种象鼬的通常为白化体的与艾鼬有关的哺乳动物（鼬属雪貂），经常被驯养来猎取鼠和野兔