How can I keep Richardsons ground squirrels out of the lawn, garden, and yard?
Once Richardson’s ground squirrels have established burrow systems, controlling them becomes difficult because removal of animals results in vacant burrows that are eventually re-occupied by other squirrels. If an area is already inhabited by ground squirrels, those animals first have to be removed humanely. Then the area should be tilled as deep as possible to destroy existing tunnels and entrances. Before planting the new lawn or garden, spread chicken-wire on the ground, then cover the wire with sod or top soil; this prevents new holes being dug by ground squirrels. If ground squirrels start to invade, take immediate action to make new holes unattractive by filling them with expanding foam, covering with gravel and rocks, or pouring in unpleasant smelling liquids. Ground squirrels can be very persistent at trying to get back into a hole, so often these steps need to be repeated over a week or more until the animal gives up. Richardson’s ground squirrels do feel pain, so only humane
