Our naughtiness this year was the chipmunk ... he tunnelled into our cold frame and kept nipping off all the new seedlings as they came up. So we put a brick floor into the frame and that stopped him in his tracks. This year the squirrels aren't too bad ... but I do use quite heavy rocks and have had no problem. One year when the squirrels were really bad (they ate all the pansy flowers of a newly planted garden) we actually caught them and relocated them to a ravine miles away but when you remove one it seems like two more move in! Too much trouble. Sometimes we'd get four a day and one night when we forgot to close the traps we caught a possum ... At least it wasn't a skunk
: ) We don't plant pansies in the spring any more : )