Small Yard Mounds: Grubs, Not Moles? And the Truth About Predator Urine

What's Making Those Tiny Mounds?

Mounds the size of a bottle cap with no visible hole/tunnel suggest:

Moles make larger volcano mounds with tunnels. Voles make holes, not mounds.

Coyote/bobcat urine: May temporarily deter some herbivores (deer, rabbits) in agricultural settings.
No evidence it repels moles, voles, or grubs.
Drawbacks: Expensive, washes away, inconsistent, handling concerns.

Confirm grub presence: dig 1 ft², 3 in. deep; count grubs.
If >5–10/ft², treat with Milky Spore (Japanese beetle only) or beneficial nematodes (Heterorhabditis).
For ants: bait stations.
For earthworms: no control needed—they're beneficial.

Consult an insect/entomology specialist for grub ID and treatment selection.

Pests: Large Animal Digging at Shed: Likely Woodchuck, Not Mole; Vole Invasion in Massachusetts Garden: Complete Control Guide for Fall Action; Rats and Mice in Yard with Pool: Integrated Management Required; Squirrel Gnawing and Mole Control Without Traps; Moles, Voles & Chipmunks in Connecticut: Species-Specific Control; Moles, Voles, or Pocket Gophers? Diagnosing and Controlling Garden Soil Disturbance; Small Yard Mounds: Grubs, Not Moles? And the Truth About Predator Urine; Distinguishing Moles from Voles and Effective Trapping Strategies; Comprehensive Control Strategies for Ground Squirrels, Moles, and Gophers; Dog Urine Damage on Roses: Prevention and Remedies

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