Gives new meaning....
...to "bottoms up."... No?
Click to enlarge and you'll see some ducks hanging around these swans. The ducks are opportunistic feeders, snatching up vegetation that the swans, with their long necks and legs, scratch loose from the bottom of Tern Lake.
The ducks also give you an idea of how large these swans are. An injured swan caught recently, treated and released, weighed 24 lbs.