They should finish up in time for the later arriving black bellied whistling ducks to use the nest box this summer. Those look like this:
I also have many mottled ducks that nest in the weeds near shore so I watch the mowing near the lake during nesting season. They look like this:
Your cute duck collection....!
Very impressive, MtnClimber! Are you in north or central FL by any chance?
I grew up on the Detroit River where just about every waterfowl native to North America came through at one time or another. Canvasbacks, redheads, and others massed in the open water between the ice, looking like someone sprinkled a heavy coat of pepper on the water. Tens of thousands at least within view at one time very often.
I think God was in his greatest mood ever when he created ducks, espceially ducklings. And when I sing my nighttime prayer to my domestic ducks when I cage them every night, I tell them that.