I had a buck do that to mine for about a week last year starting at the end of October. Sometimes he would knock it down twice each day. One day he came in knocked it down while I was hunting for him, he came in from the other side of my yard from where I was sitting. It was a decent 6 pointer when I finally seen him in the yard one night. If he made it through the gun season last year he should be a nice size deer this year I would think. It would be pretty cool to actually see them do it!