White-tailed ptarmigan cover. The white-tailed ptarmigan was introduced into the Sierra Nevada of California, Wallowa Mountains in Oregon, and Uinta Mountains of Utah in the 1970s. It may have been native here during the early Pleistocene but became locally extinct due to climate changes with greater snow-cover in spring impacting on its breeding season. Alternatively, it may have been unable to colonize the Sierra Nevada because of the barriers provided by the Columbia River and the Great Basin, and the low altitudes of the intervening South Cascades. This herbivorous bird's diet varies seasonally. Nitrogen-rich snow buttercup leaves are favored in the spring
2012 Arctic Winter Games end of every games. The 2012 Hodgson Trophy was awarded to Team Nunavut. The trophy has been awarded since 1978 and named for Stuart Milton Hodgson, Commissioners of the Northwest Territories from 1967 to 1979. Venues were mostly pre-existing and all located within Whitehorse: 2012 Arctic Winter Games The 2012 Arctic Winter Games took place in Whitehorse, Yukon, Canada from the 4th to the 10th of March 2012. The Arctic Winter Games is an international biannual celebration of circumpolar sports and culture, held in Canada, Alaska or Greenland. Over 2,000 athletes from nine teams (Alaska, Alberta North, Yukon, Yamal-Nenets, Northwest