Foxes do not form packs like wolves. They are solitary creatures, Otherwise there are family groups during parts of the year. They have territorys of 3 to 10 square miles. Depending on available food resources. They use dens of other animals, Other than the main den they have others for rest. Between are paths they use when moving around their territory. Which takes them through their favorite hunting areas. They can run up to 30 miles per hour (48km per hour). And jump over objects up to 6 ft.(2m).

It lives in a den or burrow dug into the side of a hill, cliff or riverbank. In winter it digs connecting tunnels in the snow so several families can live together. They often hunt in small groups during the winter.The Arctic fox is well adapted to live in the cold Arctic. In winter its thick, bushy coat turns white. This makes it very hard to see the fox. The prey is not able to spot the Arctic fox until it is too late.
The Arctic fox is small (about the same weight as a cat) with short legs and short rounded furry ears. The bushy tail is about 30 cm. long. Its bushy fur coat makes it look much larger than it really is. Near the end of summer the grayish brown coat of the Arctic fox begins to grow thicker. The color of the fur turns gray and then white. The oily fur sheds water and helps to keep the fox dry.
The female may have 4 to 11 pups. The average litter is 6 or 7 pups. She can have two litters a year. The babies are born in a den or burrow in late spring. A baby fox is the size of a kitten. Both parents take care of the blind cubs. At two weeks the cubs open their eyes. At three weeks they go outside and begin to explore.
To feed a litter of ten the parents must kill about thirty lemmings a day. When their family is almost grown, the parents feed them over a hundred lemmings a day! The young foxes are taught how to hunt and are independent by fall. The young males leave the family and form their own groups. The young females stay with the family group.

They prey on voles, lemmings, hares, ground squirrels, birds and birds' eggs. Foxes that live near the coast feed on shellfish, sea urchins and other shore animals. They check the shoreline for dead seals, whales, and dead fish . When meat is not available the Arctic fox eats fruit and berries.
The Arctic fox will even kill baby seals if the fox can find the seal's den in the snow .
The Arctic fox walks along the top of the snow and listens for small animals running under the snow. When they hear something, they jump up and down to break through the snow with their front paws. Once they break through, they can grab their prey.Polar bear kill Arctic foxes. Trappers want them for their beautiful fur coats. It does not hibernate during the winter.
Those living in the coldest Arctic areas follow polar bears and feed on the left-overs.
Some Arctic foxes have a steel blue winter coat.