Coloration evidence for natural selection J. Bowler wrote that Darwin's theory In his 1889 book "Darwinism", the naturalist Alfred Russel Wallace considered the white coloration of Arctic animals. He recorded that the Arctic fox, Arctic hare, ermine and ptarmigan change their colour seasonally, and gave "the obvious explanation", that it was for concealment. The modern ornithologist W. L. N. Tickell, reviewing proposed explanations of white plumage in birds, writes that in the ptarmigan "it is difficult to escape the conclusion that cryptic brown summer plumage becomes a liability in snow, and white plumage is therefore another cryptic adaptation." All the same, he notes, "in spite
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