How about this

stupid people only hunting season. Give them full camo, semi or even full auto weapons. Lots of small game that makes noise running through the underbrush. Should solve the problem in a few years.

As a related note, my grandfather came up on a couple of guy s that had just about finished gutting out his mule when they noticed the shoes. They where rather staartled to find out how much a prize mule cost, but chose not to argue with the very angry rancher who seemed like he would really rather they turned down his offer and just shoot them.

Another day my grandmother waited while a couple of yoyos snuck up on her duck pond. She waited until they got half way through the fence, then turned on the charger.