At Druid Ridge, a convoy of ducks sails under the old bridge and into the small stream that feeds the pond.
Through a little Googling, I found that the white "AFLAC" ducks are called Pekin Duck or (in the USA) Long Island Duck. They developed in China centuries ago. When you have roast duck or duck eggs, it's most likely that you're eating one of these quackers.
After hanging around these guys, I've really grown to like them. I think I'll stick to chicken.