The Dall sheep is mammal animals. Also known as
thinhorn, dall sheep are the northernmost wild sheep in the world. Their horns
take up to 8 years to grow and are composed of keratin, the same material as
our fingernails. The age of the sheep can be calculated from the number of growth
rings on their horns. Dall sheep spend most of their lives on the jagged slopes
of mountains. Their cloven hooves with rough pads help them cling to cliff
edges and broken ledges, where they flock to elude predators. In spring and
early summer, dall sheep often visit mineral licks to restore the nutrients
they lost during the long winter.Habitat Dry mountainous regions and
select sub-alpine grass and low shrub terrains; Arctic, Subarctic: most of
Alaska, the Yukon Territory, extreme northwest and north-central British
Columbia.
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