Rock ptarmigan been allowed again since 2005, but is restricted to selected days, which are revised yearly and all trade of rock ptarmigan is illegal. In Thomas Bewick's "A History of British Birds" (1797) the species is named as "White Grouse" with alternatives "White Game, or Ptarmigan". The birds feed, records Bewick, "on the wild productions of the hills, which sometimes give the flesh a bitter, but not unpalatable taste: it is dark coloured, and has somewhat the flavour of the hare." Rock ptarmigan The rock ptarmigan (') is a medium-sized gamebird in the grouse family. It is known simply as the
Climate of the Arctic noon, not much energy is reaching the surface. Furthermore, most of the small amount of solar radiation that reaches the surface is reflected away by the bright snow cover. Cold snow reflects between 70% and 90% of the solar radiation that reaches it, and snow covers most of the Arctic land and ice surface in winter. These factors result in a negligible input of solar energy to the Arctic in winter; the only things keeping the Arctic from continuously cooling all winter are the transport of warmer air and ocean water into the Arctic from the south and the transfer