Ключевые слова: animal, bird, birds, cable, cling, colony, contour, crowd, danger, disappear, dwell, electric, environment, flit, flock, flutter, fly, gather, grab, group, high, hover, huddle, line, live, lot, many, masses, multitude, nature, outdoor, pack, pattern, perch, pigeon, poultry, resting, roost, shelter, shoal, silhouette, sky, soar, space, swarm, voltage, wild, wildlife, wing, wire,