Holly - I didn't have the problem for years either. And ironically ... I have a 6' tall vinyl privacy fence surrounding my backyard. The raccoons are climbing the trees to get into my backyard as they can not climb up the slippery vinyl fence. Go figure! They are relentless now after having had a yummy fish fest in my ponds last Spring! Grrrrr .... My backyard must be one of their favorite restaurants now! (sigh) Though they haven't been able to get into my ponds since last Spring once I figured out how to cover the ponds and protect the fish. That's how it is hosting a wildlife habitat in one's backyard. You get all kinds of critters! The good, the bad, and ugly. It just comes with the territory of inviting Mother Nature to your home.