adults,    anatids,    animals,    aves,    Babies,    Babys,    beaks,    bills,    birds,    canards,    chicks,    ducks,    females,    fledglings,    format,    go,    goes,    grassland,    greenfield,    hatchlings,    immatures,    juveniles,    laterally,    mallards,    meadows,    move,    movement,    moves,    open,    outdoors,    outside,    pasture,    summerly,    summertime,    summery,    sunny,    sunshine,    walking,    walks,    waterbirds,    waterfowls,