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