Endangered in Germany ("red list") and under a hunting ban. Acording to German-language Wikipedia, there are less than a thousand breeding pairs in isolated mountain forests in the Black Forest, Bavarian Wald, and several smaller mountain forest areas.
In the threads memorializing our Russian colleague Geno, there was one showing him with one he took in Russia after an extended stalk, walking forward only when the bird sang its mating song.
Here's an article from a February 1977 Sports Illustrated in which the huntress uses the rifle barrel of a 16 ga/ 7x57 BBF to take one, in Austria.
http://sportsillustrated.cnn.com/vault/article/magazine/MAG1092091/index.htm 
