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
2010 Arctic Winter Games held in 2012 in Whitehorse, Yukon. 2010 Arctic Winter Games The 2010 Arctic Winter Games were held in Grande Prairie, Alberta, Canada from March 6 to 13th. The Arctic Winter Games is an international biannual celebration of circumpolar sports and culture, held in Canada or Alaska. Over 2,000 athletes from nine teams (Alaska, Alberta North, Yukon, Yamal-Nenets, Northwest Territories, Greenland, Nunavik Québec, Nunavut and Saami) participated in the games. Sports included alpine skiing, arctic sports, badminton, basketball, biathlon, curling, dene games, dog mushing, figure skating, freestyle skiing, gymnastics, hockey, indoor soccer, snowboarding, snowshoeing, speed skating, table tennis, volleyball and wrestling.