Ключевые слова: air, animal, autumn, background, baltic sea, bird, cloud, crane, dark, european, evening, feather, flock of birds, fly, formation, gray, group, happiness, hibernation, instinct, landscape, light, migration, migratory bird, national park, nature, nomad, observe, orange, plumage, pretty, red, return, scandinavia, season, silhouette, sky, south, sun, sunset, twilight, v formation, wanderlust, white, wild, wilderness, wildlife, wings, yellow, zingst,