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					Originally Posted by  DickR
					 
				 
				I've had a plastic owl on my dock this summer. The ducks don't seem to pay it any attention, parking on the dock for a while and leaving calling cards behind. Do I have to do something to the owl to get it to work? 
			
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 Owls don't hunt ducks or geese (that I know of), so they probably don't see it as a threat. 
The golf course I play at uses Coyote decoys, the type that move around as the wind blows. Seems to work well.
Try that or maybe an Eagle or Osprey, or maybe a Fisher, something that hunts around water, that would also prey on waterfowl.