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I have never been attacked by geese or ducks. However, I have witnessed seagulls when they would go at each-other at Daytona Beach. Quite fierce creatures they are. I had to get out of the way at the time.
 
I didn't know I could buy so much geese related stuff...

I have that 'Lessons from geese video' third one in on Google ads. Quite neat
 
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