Ключевые слова: animal, autumn, beak, big, bird, black, bonding, capercaillie, coupling, courting, courtship, endangered, environment, european, fall, fauna, feather, forest, grass, green, grouse, habitat, large, lekking, moss, natural, nature, outdoor, plumage, sitting, species, tail, tetrao urogallus, western capercaillie, wild, wilderness, wildlife, wing, woodland,