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
2016 Arctic Winter Games for the naming of the mascot competition, the name "Kuluk" won and was appointed by the steering committee. 15 sport disciplines are scheduled in the 2018 Arctic Winter Games program. The 4 skiing sports are alpine skiing, biathlon, cross-country skiing and snowboarding. The 2 racquet sports are badminton and table tennis. The other 9 sports are Arctic sports, basketball, Dene games, Ice hockey, Indoor soccer, Primitive biathlon, Snowshoeing, Volleyball and Wrestling A number of events have been excluded to the programme due to the lack of facilities and expertise. At each Arctic Winter Games, the AWG International Committee presents the