Ключевые слова: animal, animals, anser albifrons, background, beautiful, bird, bird migration, birds flying, blue, branta canadensis, clear sky, flight, flock, flock of birds, flock or geese, fly, formation, freedom, geese, goose, goose flock, group, lake, migrate, migrating, migration, migration birds, migratory, migratory bird, naturally, outdoor, outdoors, scenery, season, silhouette, sky, water, water birds, waterfowl, white, wild, wildlife, wing, wings,