Tunnels and Runways – Field mice create branching paths in grass that lead to underground tunnels. It’s common to find multiple burrow entrances throughout your yard. People often notice runways in spring, when the snow melts to reveal voles’ winter feeding activity.

Do mice use tunnels?

Mice and other rodents may create burrows in the ground for nesting, resting or hiding. Cover any holes you find in your yard with rocks or dirt as these may be entry/exit holes for rodent burrows.

How deep do field mice burrow?

His excavations showed that burrowing depth ranged from 61 to 107 cm.