The Dall Sheep is a wild sheep of Alaska and northwestern Canada distinguished by its pure white coat and yellowish curved horns. Rams engage in dramatic head-butting contests during the autumn rut, a sound audible from a mile away. Their annual horn rings allow wildlife biologists to determine a sheep's age without capturing the animal.
Habitat
Subarctic mountain ridges, alpine tundra, and steep slopes
Diet
Grasses, sedges, and willows
How common
Uncommon
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