2,    adults,    anatids,    animals,    aves,    beaks,    beating,    beats,    bills,    birds,    calls,    cries,    cry,    flapping,    flaps,    flies,    flight,    format,    lakes,    laterally,    of,    open,    outdoors,    outside,    river,    scream,    screams,    shouting,    shouts,    splashes,    takes,    taking,    to,    waterbirds,    waterfowls,    wing,