4,    adults,    animals,    Ardea,    aves,    Babies,    Babys,    bird-nests,    birds,    bough,    boughs,    branches,    breeding,    broods,    chicks,    egrets,    feeds,    fledglings,    format,    hatchlings,    herons,    immatures,    juveniles,    nestles,    nests,    outdoors,    outside,    twigs,