I had read years ago in either 'Organic Gardening' or 'The Mother Earth News' about running your hand over the ears. Can't recall if it was a daily activity to ward them off or once in a while. They supposedly don't like the human scent on the ears. The peanut butter jar my neighbor put in her bird feeder got dragged off at night my coons. Either them or the bears she attracted to the hood. Dead bears now. Maybe a trap baited with a baited jar or whatever for the coons.

Duane