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
Hotel Arctic (Greenland) it themselves. Ingredients such as musk-ox, reindeer, Greenland halibut, Arctic hare, ptarmigan, wolffish, mussels, sea urchins, redfish and much more are on the menu daily. Herbs are collected in the fells: sheep sorrel, knot weed, mountain sorrel, lousewort, northern marsh yellowcress, common mouse ear, knotted pearlwort and many more. Additional food and beverage options are Café Ferdinand and the Ice Bar. In summer buffets are served on the terrace, with views to the City of Ilullsat and Icebergs passing by. The hotel has 5-star conference facilities is amongst the leading conference centres in Scandinavia and the North. Facilities for up