VULPES LAGOPUS
Arctic foxes are small, hardy canids that live in some of the coldest environments on Earth. They are found throughout the Arctic tundra, where temperatures can drop below, 50°F. Their thick fur, compact bodies, and seasonal color changes make them one of the most specialized fox species in the world.
Physical Description
Arctic foxes have extremely dense fur, the warmest of any wild canid, which covers their entire body, including their paws. Their coats change color with the seasons: white in winter for camouflage in snow, and brown or gray in summer to blend with rocks and tundra vegetation.
They have short muzzles, small, rounded ears, and a compact body shape that helps conserve heat. Their fluffy tail, called a brush, is thick and used for warmth when they curl up.
What They Look Like
Arctic foxes are known for their adorable, rounded appearance and seasonal color shifts.
Key visual traits include:
Winter coat: pure white or slightly creamy, extremely thick and fluffy
Summer coat: brown, gray, or charcoal with lighter undersides
Small, rounded ears that reduce heat loss
Short muzzle and compact face
Thick, bushy tail often as long as their body
Short legs and a stocky build
Fur-covered paws that act like natural snowshoes
Their winter form makes them look like little snowballs with legs, while their summer form is sleeker and earth-toned.
Size
Arctic foxes are small compared to other fox species.
Body length: 18 to 27 inches (46 to 68 cm)
Tail length: 12 inches (30 cm) on average
Weight: 6 to 10 pounds (2.7 to 4.5 kg)
They are slightly smaller than red foxes but appear rounder due to their thick fur.
Native Habitat
Arctic foxes live across the circumpolar Arctic, including:
Alaska
Canada
Greenland
Iceland
Scandinavia
Russia and Siberia
They prefer open tundra, coastal areas, sea ice edges, and rocky outcrops where prey is abundant.
Lifespan
Wild: 3 to 6 years
Human care: Up to 10 to 14 years
Harsh winters, predators, and food scarcity shorten wild lifespans.
Communication
Arctic foxes communicate through:
Barks
Yips
Whines
Growls
Scent marking
They also use body posture and tail position to signal dominance, submission, or alertness.
Food/Eating Habits
Arctic foxes are opportunistic hunters and scavengers. Their diet includes:
Lemmings and voles (their primary prey)
Birds and eggs
Fish
Arctic hares
Insects
Carrion from a polar bear kills
Berries and seaweed, when available
They have excellent hearing and can locate prey beneath snow, diving headfirst to catch it. In times of scarcity, they follow polar bears to scavenge leftovers.
Sleep Habits
Arctic foxes do not hibernate. They remain active year‑round, even during blizzards. They sleep in dens, which may be:
Dug into hillsides
Passed down through generations
Expanded into complex tunnel systems with multiple entrances
Dens provide warmth, shelter, and safe places to raise pups.
Social Structure
Arctic foxes are generally monogamous. A typical social structure includes:
A mated pair
Their pups
Sometimes older offspring that stay to help raise new litters
They defend territories during the breeding season but may share food-rich areas during winter.