2,    adults,    aggressivity,    anatids,    angry,    animals,    aves,    bank,    beating,    beats,    birds,    canards,    ducks,    flapping,    format,    lakes,    off,    outdoors,    outside,    river,    riverside,    shoos,    shores,    swans,    waterbirds,    waterfowls,    wing,    wingspans,