adults,    animals,    aves,    bird-nests,    birds,    bough,    boughs,    branches,    broods,    chaffinches,    chicks,    finches,    fledglings,    format,    hatchlings,    immatures,    juveniles,    limbs,    nests,    of,    offspring,    outdoors,    outside,    Passeri,    rearing,    song,    songbirds,    summerly,    summertime,    summery,    trees,    twigs,