Ключевые слова: animal, arable, arable land, bird, birdwatching, common, common crane, crane, early, eating, environment, eurasian, farmlands, fauna, feather, feeding, fields, flock, fog, food, gray, gray crane, grey, ground, grus, grus communis, grus grus, habitat, large, meadow, mist, morning, natural, nature, neck, outdoors, ploughed, plow field, plowland, season, seasonal migrations, seeds, sown, spring, standing, tillage, wild, wilderness, wildlife, wing,