Ключевые слова: animal, background, beauty, bird, birds, blue, brown, colorful, common, common crane, common crane flight, crane, crane migration, cranes, day, flight, flock, fly, flying, flying flock crane, gray, grey, group, grus, grus grus, habitat, high, migrating, migration, motion, natural, nature, outdoor, outdoors, sandhill, season, side, silhouette, sky, spring, sunrise, travel, up, view, white, wild, wildlife, wings,