many birds, swallows or martlets, swifts sit on wires against the background of the blue sky. copy space

bird swallow wire wing sky swift animal blue nature black wildlife line wild feather summer white background group cable fly flight outdoor electric sitting flock beak beautiful environment barn cloud flying small spring electricity freedom natural power tail day avian autumn row silhouette speed fauna resting beauty ornithology view birds swallows martlets swifts sit wires against sky copy space space high quality photo