Ключевые слова: animal, animals, background, barn swallow, beautiful, bird, birds, black, blue, cable, electricity, feather, flight, flock, fly, freedom, group, hirundo rustica, line, lot, migratory, natural, nature, no people, outdoor, outdoors, perching, personality, pile, silhouette, sitting, sky, small, society, spring, swallow, swallow bird, wetland, white, wild, wilderness, wildlife, wing, wire,