I have hunted them in Russia just like Toperone describes. It was a very exciting, very technical stalk in which you could make no mistake or you would spook the bird. It happend to me once and it was very disappointing. We got up at 2.00AM, had a strong coffee for breakfast and starte into the woods. It took as around two hours ij pitch darkness to reach the right spot and wait till we heard the bird calling. It was my fisrt stalk, I gave an untimely step and soopked it. There was nothing more to do but return and wait till next morning.
Here are a couple of pictures of that trip. I also shot a tetras lyre or teterev as they call it in Russian.
BBerg

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