1,    a,    adults,    anatids,    animals,    aves,    birds,    canards,    catnapping,    catnaps,    common,    doze,    dozes,    dozing,    ducks,    females,    format,    lakes,    laterally,    outdoors,    outside,    pochards,    resting,    rests,    river,    sleep,    sleeps,    snoozes,    snoozing,    solo,    sunny,    sunshine,    swimming,    swims,    waterbirds,    waterfowls,