2,    adults,    aggressivity,    anatids,    angry,    animals,    attacking,    attacks,    aves,    beating,    beats,    birds,    canards,    ducks,    flapping,    flaps,    format,    kill,    killing,    kills,    lakes,    laterally,    outdoors,    outside,    river,    splashes,    summerly,    summertime,    summery,    sunny,    sunshine,    swans,    waterbirds,    waterfowls,    wing,