The Arctic Fox is found in all tundra and tidal zones surrounding the arctic ocean. It hunts small prey animals like birds and mice when it encounters them, but it makes its living primarily by scavenging dead animals like fish and crabs found along the shore. Indeed, in some areas the Arctic Fox is entirely dependent upon other marine mammals for its existence.
Individual foxes follow individual polar bears out onto the polar ice as they hunt seals.
When the bear makes a kill and proceeds to eat the prey, the fox darts in and steals bitefulls of meat. Even when the polar bear guards its prey very carefully and eats it all himself, the fox can make a meal by eating the blood-soaked snow left behind when the bear finally.