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
2012 Arctic Winter Games Arctic Winter Games was the first to have a relay. Rather than passing a baton or torch, however, a song was relayed. The youth at the games passed on a song, was in effort to promoting heritage awareness and cultural diversity. 2012's mascot is a Husky dog named 'Borealis'. The dog sports a Whitehorse Arctic Winter Games 2012 shirt and, as is common in Huskies, has different coloured eyes (known as heterochromia). 19 sports were present. Sports are listed with the number of events that took place. The Hodgson trophy for fair play and team spirit is awarded at the