CRAIG K. LORENZ / SCIENCE PHOTO LIBRARY CRAIG K. LORENZ / SCIENCE PHOTO LIBRARY
Both male and female Mountain Goats (Oreamnos americanus) have beards, short tails, and long black horns which contain yearly growth rings. They are protected from the elements by their woolly white double coats. The fine, dense wool of their undercoats is covered by an outer layer of longer, hollow hairs. In warmer seasons, Mountain Goats molt by rubbing against rocks and trees. In the winter, their coats help them to withstand temperatures as low as -50 Fahrenheit and winds of up to 100 mph. Mt. Evans, Co.
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