Ключевые слова: air, animal, autumn, background, beautiful, beauty, bevy, bird, black, blue, canada, canadian, cloud, crane, day, duck, feather, flight, flock, fly, formation, free, freedom, geese, group, gruiformes, many, migrate, migrating, migration, migratory, moorhen, natural, nature, neck, ornithology, outdoor, sanctuary, season, silhouette, sky, south, spring, v, vformation, wedge, white, wild, wildlife, wing,