Vernonia fasciculata), a member of the aster family. If anyone knows it to be something else, please let me know!
Monarda fistulosa), or Bee Balm, was blooming prolifically amid the waving seedheads of the tall grasses.
The solitary little duck above proved by its stiff, upright tail and light neck to be a Ruddy Duck -- the first I've seen, as far as I know. Apparently the males have beautiful blue bills, but no such feature was visible from this distance in the golden evening light.