butterfly bush verses

buddleia butterfly bush,
brown sprays like dead flower bouquets,
replacing purple wands every August,
a grey swarm of tiny birds,
and assorted chicadees descends,
seeking seed hidden like treasure in spent blooms,
limbs bobbing up and down,
with upside-down bird antics,
limbs full of chirps and twitters,
the bush is alive with tiny little birds,
watched by an incredulous robin,
and i