The silver fox, sometimes referred to as the black fox,[1] or blue fox,[2] is a melanistic form of the red fox (Vulpes vulpes). Silver foxes display a great deal of pelt variation. Some are completely glossy black except for a white colouration on the tip of the tail, giving them a somewhat silvery appearance. Some silver foxes are bluish-grey, and some may have a cinereous colour on the sides.
Historically, silver foxes were among the most valued fur-bearers, and their pelts were frequently worn by nobles in Russia, Western Europe, and China.[3] Wild silver foxes do not naturally reproduce exclusively with members of the same coat morph and can be littermates with the common red variety,[4] although captive populations bred for the blue fox fur and as pets are almost exclusively mated with members of the same colour.[5]
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