The Dall sheep (or Ovis dalli) – also known as ‘Dall’s sheep’ or ‘thinhorn sheep’ – is a species of wild sheep that lives on the mountain meadows of Alaska (USA), Yukon and British Colombia (Canada). They are white to pale brown in colour, with yellow-brown horns, and are sexually dimorphic; the males being significantly larger than the females and with much thicker, curlier horns. Males measure between 1.3 and 1.8m long and weigh between 73 and 113kg, while females measure between 1.3 and 1.6m and weigh 46 to 50kg.
Latin Name
Ovis dalli
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Animal Facts
When male Dall sheep clash horns, the sound can be heard 1km away.
Dall Sheep are known to travel 10 miles out of their way to visit mineral-rich areas where they lick the soil to acquire nutrients they don't get from their grazing diet.
Male Dall sheep can be aggressive when competing for females and have been known to ram each other off cliffs.
The age of a Dall sheep can be estimated based on the growth rings on their horns.
During the winter months, Dall sheep feed on frozen sedges in the snow and lichen from rocks.
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