Ключевые слова: abstract, animal, animal couples, background, bird, bird silhouette, birds, black, blue, cable, design, electric, electrical, electrical wires, electricity, environment, feather, flight, flock, fly, freedom, group, high, illustration, line, motion, natural, nature, object, ornithology, outdoor, pigeon, power, rest, row, silhouette, sit, sitting, sky, spring, summer, swallow, telephone, waiting, white, wild, wildlife, wing, wire, wires,