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First, though, you'd have to catch one, and they are pretty elusive. The snow traps the air, and it becomes an excellent insulator.Sadly for the lemming, many arctic predators find these little guys to be tasty treats, all that long fur notwithstanding.These particular ground squirrels probably hang out in their dens laughing as they think about all those hares huddling out in the cold.
Anyone who has been cold and wet realizes that it's far worse than just being cold.The Polar Bear takes the insulating power of fat to a new level by battling the cold with a layer of blubber directly underneath the skin.Ultimately, the famed Polar Bear has that layer of insulating fat working together with a layer of air trapped in its long fur.Arctic tundra animals do not enjoy the luxury of simply heading into thick forests to escape the biting wind. Animals in the tundra survive thanks to harboring multiple defenses against the paralyzing cold. Some, like the Caribou, do head south to enjoy those forests at least part if the year.However, only the arctic ground squirrel seems to take this "easy" way out.The rest of these arctic animals endure it all, including gale-driven blizzards howling across the treeless tundra.It hangs almost to the ground, creating a tent of sorts. Relatively warmer air is not only trapped inside the hollow hairs, but all around them as well. During spells of extreme cold, they huddle together.Collectively, all the body heat they emit helps to warm the surrounding air just a little. Therefore, the adults form a circle around their young, with their prominent horns pointing outward for protection.However, they do share a common approach to surviving the arctic cold - they hang out in groups. There may be literally hundreds of them huddling together for both warmth and protection.When a noise is heard they act a little like crooks after a robbery; they scatter in all directions.