Ключевые слова: autumn, background, bird, birds, blue, branches, clouds, cold, collective, direction, distant, europe, fauna, flight, flock, fly, formation, goose, heat, height, instinct, journey, landscape, leader, migrating, migration, nature, navigation, north, order, ornithology, pine, route, season, silhouette, sky, south, team, test, top, traditional, tree, wedge, white, wild, wildlife, wings,