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
2006 Arctic Winter Games 2006 Arctic Winter Games Approximately 2,000 athletes, coaches, team staff and officials participated in the 2006 Arctic Winter Games on the Kenai Peninsula, Alaska in the United States. The 2006 games took place from March 5 through March 11. Events were held mostly in the larger towns of Soldotna and Kenai, along with Homer (curling) and the Alyeska Ski Resort in Girdwood (alpine skiing and snowboarding.) Soldotna, Kenai, Homer, and the town of Seward also hosted cultural events. This was the fifth time Alaska had hosted the games. The 2008 Arctic Winter Games were held in Yellowknife, Northwest Territories. Competition