GUM - Not ordinary gum, but Bazooka Bubble Gum. You know, the hard squares of gum that as a kid almost broke your jaw on the first bite?
Once a week, this guy's neighbor puts 1 square of Bazooka gum in every ground squirrel hole on his property. He has almost 100 holes, so I doubt if he takes the time to read the comics wrapping each gum square. The neighbor says it works well at eliminating the young ones because they can't digest the gum. According to an expert, Jim Knight, a Montana State Extension Wildlife Specialist. "Bubble gum might sometimes clog a ground squirrel's intestines or burst its stomach, but no one has conducted scientific studies on its overall effectiveness. It's hardly cheap," he said.
Does it work? Not sure
The guy who told me about his neighbor using gum couldn't have much faith in it, because he purchased a Burrow Blocker 2500. Other people I have talked with say Juicy Fruit gum has worked for them, but they still have a ground squirrel problem.
STATUES OF PREDATORS - Place statues of coyotes and dogs in the ground squirrel infested area.
Does it work? Doubtful
Ground squirrels that live on the same property as dogs don't run and hide until the dog gets close. Chances are, the squirrel can probably tell if the predator is a fake or a real threat. A city park in my area tried statues to keep the geese away. A park manager told me that one morning, he saw a few geese cuddling up to the statue.
URINE - Spray urine around burrow entrances.