Two natural color variants occur in the red fox as 25% are cross foxes with black stripes down the back and shoulders, and 10% are silver foxes with a silver and black coat.
Two color variants of the red fox commonly occur.
Cross foxes, making up 25% of red fox individuals, have reddish brown fur with a black stripe down the back and another across the shoulders.
Silver foxes make up 10% of red fox individuals, and range from strong silver to nearly black. Silver foxes are the most prized by furriers.