4,    adults,    animals,    Ardea,    aves,    Babies,    Babys,    bird-nests,    birds,    bough,    boughs,    branches,    breeding,    chicks,    egrets,    fledglings,    flies,    flight,    format,    hatchlings,    herons,    immatures,    juveniles,    laterally,    leafage,    leaves,    limbs,    nests,    outdoors,    outside,    sits,    sitting,    sunny,    sunshine,    trees,    twigs,