1,    a,    adults,    anatids,    animals,    aves,    birds,    canards,    common,    drakes,    ducks,    format,    lakes,    laterally,    males,    move,    movement,    moves,    outdoors,    outside,    pochards,    river,    solo,    sunny,    sunshine,    swimming,    swims,    waterbirds,    waterfowls,