5,    adults,    anatids,    animals,    aves,    Babies,    Babys,    birds,    brighter,    chicks,    cities,    Cygnets,    fledglings,    format,    hatchlings,    immatures,    juveniles,    lakes,    laterally,    mountains,    outdoors,    outside,    river,    size,    swans,    swimming,    swims,    towns,    vertical,    waterbirds,    waterfowls,