Noticeable, winding tracks of dead or trampled grass about two inches wide crisscrossing your lawn.
Small, clean, round openings in the soil, typically located around the base of trees or hidden in mulch beds.
Gnaw marks entirely encircling the base of young tree trunks or shrubs, which can eventually kill the plant.
Areas of your lawn that feel unusually soft or collapse slightly underfoot due to shallow tunneling.