Ключевые слова: action, animal, background, beak, bird, birding, birds, birdwatching, black, blackgame, bog, breeding, call, cock, early, eyebrow, fauna, feather, forest, game, gorgeous, grouse, hunt, lek, lekking, lyrurus, male, mating, moorland, morning, nature, ornithology, playing, plumage, portrait, red, russia, season, singing, species, specific, spring, springtime, sunrise, tetrao, tetrix, wetland, wild, wilderness, wildlife,