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Arctic foxes are small, furry animals known for their thick white coats that provide excellent insulation against the cold temperatures of the tundra. They have short legs and a bushy tail, which they use for balance and to keep warm in the frigid environment. These foxes are well-adapted to life in the tundra, with a keen sense of hearing that allows them to locate prey under the snow. They feed on small mammals, birds, and eggs, as well as insects and berries during the summer months. Arctic foxes are also known for their ability to survive on very little food, which is an important adaptation in the harsh tundra environment where food can be scarce. Their thick fur also provides camouflage, helping them blend in with the snowy surroundings and protect themselves from predators.