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