Discovery of Mummified Leg of Unknown Creature in Altai, Siberia

A mountaineer discovered a leg of an unknown creature in Altai, Siberia, at 3000 meters altitude. Scientists from the Veterinary Academy and Altai Agrarian University examined it, noting its resemblance to a human leg but with unique features like a big toe with three phalanxes. The leg, covered in red hair, suggests bipedal movement on snow. X-rays revealed it to be several thousand years old, with no known animal match. The limb was well-preserved due to natural mummification.

What did Sergei Semulov notice about the leg that prompted him to bring it back?

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What does the presence of red hair on the leg suggest about the creature's habitat?

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