Willow ptarmigan complicated changes in plumage several times a year and the differing colour and pattern of the summer plumage: The willow ptarmigan often hybridises with the black grouse ("Tetrao tetrix") and the hazel grouse ("Tetrastes bonasia") and occasionally with the western capercaillie ("Tetrao urogallus"), the spruce grouse ("Falcipennis canadensis") and the rock ptarmigan ("Lagopus muta"). During the Pleistocene, the willow ptarmigan widely occurred in continental Europe. Authors who recognize paleosubspecies have named the Pleistocene willow ptarmigan "L. l. noaillensis" (though the older name "medius" might be the correct one). These marginally different birds are said to have gradually changed from the
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