Ключевые слова: action, adult, animal, autumn, background, barn, beak, beautiful, bird, black, blue, cloudy, common, delichon, environment, fauna, feather, flock, group, hungry, lines, many, martin, migratory, natural, nature, northern, outdoor, peaceful, powerline, score, sit, sitting, sky, species, spring, summer, swallow, swallows, swift, two, urbicum, view, white, wild, wildlife, wing, wings, wire, wires,