Ключевые слова: animal, bird, black headed gull, blackheaded gull, blue, environment, feather, flock, flock of birds, flock of seagulls, fowl, graceful, gravel beach, group, group of birds, grouping, gull, herd, larus ridibundus, many birds, nature, pack, pebble beach, plenty, sailing flight, sailplaning, sea, sea beach, seabird, seaboard, seacoast, seagull, seagulls, seagulls resting, seaside, shingle beach, shore, squad, swarm, team, wild, wildlife, winter beach, winter period, winter plumage, wintertime,