2,    adults,    anatids,    animals,    aves,    Babies,    Babys,    birds,    canards,    chicks,    common,    duckling,    ducks,    females,    fledglings,    format,    hatchlings,    icefloes,    immatures,    juveniles,    laterally,    move,    movement,    moves,    outdoors,    outside,    swimming,    swims,    waterbirds,    waterfowls,    winterly,    wintertime,