I can't imagine having bears as a problem. We have feral hogs and thieves.
I did find that electric fence won't deter deer. Unlike a cow, when they touch it, they lunge forward. I've tied a lot of it back together. Believe it or not, putting your electric fence wire about 8 inches to a foot off the ground is better for scaring off deer. You want to shock them on the nose as they are browing on grass and forbs near your trees. They'll jump over the "fence" several times UNTIL the day they shock their nose. Then, they'll stay clear for quite a while.
12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.
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