Snow camouflage as Hugh B. Cott have echoed his observations, adding that other animals of the Arctic such as musk ox, moose, reindeer, wolverine and raven never become white "even in the coldest parts of their range". Cott noted that both animals that hunt, like polar bear and stoat, and prey animals like ptarmigan and mountain hare, require camouflage to hide from prey or from predators respectively. There is little experimental evidence for the adaptiveness of white as camouflage, though the ornithologist W. L. N. Tickell, reviewing proposed explanations of white plumage in birds, writes that in the ptarmigan "it is difficult
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