2,    adults,    anatids,    animals,    aves,    bank,    birds,    clouded,    cloudiness,    clouds,    cloudy,    format,    lakes,    laterally,    move,    movement,    moves,    outdoors,    outside,    river,    riverside,    rushes,    shores,    summerly,    summertime,    summery,    swans,    swimming,    swims,    waterbirds,    waterfowls,