Donald M. Jones / Dall's Sheep (Ovis dalli) ram, Denali National Park, Alaska
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Michael Quinton / Dall's Sheep (Ovis dalli) ram, lamb, and ewe, Yukon Territory, Canada
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Donald M. Jones / Dall's Sheep (Ovis dalli) rams posturing, central Alaska
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Donald M. Jones / Dall's Sheep (Ovis dalli) rams posturing, central Alaska
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Steven Kazlowski / Dall sheep (Ovis dalli) solitary animal at sunset with a storm moving across the sky, Denali National Park, interior Alaska, USA
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Gerrit Vyn / Dall sheep (Ovis dalli) rams head butting, one behaviour by which males establish dominance during the Autumn mating season. Denali National Park, Alaska, USA
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Gerrit Vyn / Dall sheep (Ovis dalli) yearling lamb running across alpine tundra, Denali National Park, Alaska, USA
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Donald M. Jones / Dall's Sheep (Ovis dalli) rams, Denali National Park, Alaska
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Donald M. Jones / Dall's Sheep (Ovis dalli) rams, Denali National Park, Alaska
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Donald M. Jones / Dall's Sheep (Ovis dalli) ram, central Alaska
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Donald M. Jones / Dall's Sheep (Ovis dalli) bedded ram, central Alaska
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Yva Momatiuk & John Eastcott / Dall's Sheep (Ovis dalli) ram, Denali National Park, Alaska
