Reproduction and Distribution
Black grouse have a very distinctive and well-recorded courtship ritual or game. At dawn in the spring, the males strut around in a traditional area and display whilst making a highly distinctive mating call. This process is called a lek - the grouse are said to be lekking. In western Europe these gatherings seldom involve more than 40 birds; in Russia 150 is not uncommon and 200 have been recorded.
Black Grouse can be found across Europe (Swiss-Italian-French Alps specially) from Great Britain (but not Ireland) through Scandinavia and Estonia into Russia. In Eastern Europe they can be found in Hungary, Latvia, Lithuania, Poland, Belarus, Romania and Ukraine. There is a population in the Alps, and isolated remnants in Germany, France, Belgium and the Netherlands. So Black Grouse's inhabit a high mountain of Northern in The Korean peninsula. It formerly occurred in Denmark, but the Danish Ornithological Society (DOF) has considered it extinct since 2001.
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