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