Jasper Doest / Arctic Fox (Alopex lagopus) cub on tundra, Svalbard, Norway
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Jim Brandenburg / Double rainbow over Sunwapta Falls near Jasper National Park, Alberta, Canada
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Donald M. Jones / American Marten (Martes americana) sitting in snow, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in winter habitat, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull attempting to cross the Trans-Canadian Highway, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls feeding in snow covered valley, Jasper National Park, Alberta, Canada
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Donald M. Jones / Bighorn Sheep (Ovis canadensis) rams, Jasper National Park, Canada
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Donald M. Jones / Bighorn Sheep (Ovis canadensis) rams, Jasper National Park, Canada
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Donald M. Jones / Bighorn Sheep (Ovis canadensis) month old lamb, Jasper National Park, Canada
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Donald M. Jones / Bighorn Sheep (Ovis canadensis) rams feeding during winter in Jasper National Park, Canada
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Donald M. Jones / Bighorn Sheep (Ovis canadensis) ram in winter, Jasper National Park, Canada
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George Sanker / Close-up of Bighorn sheep (Ovis canadensis) ram grazing, Jasper National Park, Rocky Mountains, Alberta, Canada, Autumn
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George Sanker / Bighorn sheep (Ovis canadensis) rams sparring, Jasper National Park, Rocky Mountains, Alberta, Canada, October 2005
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George Sanker / Bighorn sheep (Ovis canadensis) rams sparring, Jasper National Park, Rocky Mountains, Alberta, Canada, October
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George Sanker / Bighorn sheep (Ovis canadensis) rams in an alpine meadow just before the rutting season, Jasper National Park, Rocky Mountains, Alberta, Canada, October
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George Sanker / Five Bighorn sheep (Ovis canadensis) rams, Jasper National Park, Rocky Mountains, Alberta, Canada, Autumn 2005
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George Sanker / Bighorn sheep (Ovis canadensis) ram resting, Jasper National Park, Rocky Mountains, Alberta, Canada, October
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George Sanker / Bighorn sheep (Ovis canadensis) mature rams gathering in a wintry alpine meadow just before the rut, Jasper National Park, Rocky Mountains, Alberta, Canada, October
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Chien Lee / Jasper Falls, Canaima National Park, Venezuela
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Chien Lee / Jasper Falls, Canaima National Park, Venezuela
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid resting, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mount Pyramid with reflection in Pyramid Lake, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Bighorn sheep (Ovis canadensis) ewe, portrait, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Bull Elk (Cervus canadensis) Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Least chipmunk (Tamias minimus) feeding on grass, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Bighorn sheep (Ovis canadensis) ewe and lamb, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Two bull Elk (Cervus canadensis) sparing in the mating season, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid resting under tree, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Coyote (Canis latrans) stalking prey in high grass, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / View from Spirit Island of Maligne Lake and mountains, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Coyote (Canis latrans) Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Least chipmunk feeding (Tamias minimus) on orthopteran prey, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Two bull Elk (Cervus canadensis) sparing in the mating season, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / View from Spirit Island of Maligne Lake and surrounding mountains, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid grazing, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid drinking from pool of water by river, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Male Elk (Cervus canadensis) in rut season, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Clouds over Talbot Lake, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid grazing, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Young Bighorn sheep (Ovis canadensis) play fighting, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) with two kids licking salt, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Marker showing the recession of the Athabasca Glacier from 1992 to 2009, with two people walking along path, Columbia Icefield, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Mountain goat (Oreamnos americanus) mother and kid licking salt, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Bighorn sheep (Ovis canadensis) ewes on rock face, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Moutain goat (Oreamnos americanus) portrait, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Sunwapta river falls with a small tree covered island in the river, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Three Bighorn sheep (Ovis canadensis) ewes, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Saskatchewan Glacier, Columbia Icefield, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Athabasca falls, Jasper National Park, Rocky mountains, Alberta, Canada, September 2009
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Eric Baccega / Bighorn sheep (Ovis canadensis) ewe, portrait, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mount Athabasca and the Athabasca Glacier in the Columbia Icefield, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Bighorn sheep (Ovis canadensis) ewe on rock face, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Bull elk (Cervus Canadensis) crossing highway, with two people taking photographs out of parked car, Jasper National Park, Rocky mountains, Alberta, Canada, September 2009
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Eric Baccega / Mount Athabasca and the Athabasca Glacier, Columbia Icefield, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Mountain goat (Oreamnos americanus) mother walking with kid following, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / View in to Maligne canyon from the top, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Pyramid Mountain towering above Pyramid Lake with low clouds over forest, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Bighorn sheep (Ovis canadensis) lamb walking behind mother, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Least chipmunk (Tamias minimus) feeding on berry, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Bull Elk (Cervus canadensis) walking near river, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / Mountain goat (Oreamnos americanus) mother with kid, Jasper National Park, Rocky Mountains, Alberta, Canada
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Eric Baccega / River flowing from the Athabasca Glacier with Mount Athabasca, Columbia Icefield, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009
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Eric Baccega / Maligne canyon, with waterfall, Jasper National Park, Rocky Mountains, Alberta, Canada, September 2009