Ключевые слова: above, animal, autumn, avian, bird, birds, birds flying, branch, branta canadensis, canada, canada geese, canada goose, canadian, country, countryside, ducks, environment, fauna, flight, flock, flock of birds, flying, forest, freedom, geese, goose, group, landscape, leaves, line, many, migrating, migration, migratory, migratory birds, natural, nature, outdoor, outdoors, season, silhouette, sky, spring, training, tree, wild, wildlife, wing, winter, winter time, wood,