How did these tunnels get in my yard?

March 11, 2010|By Ellen Nibali | Special to The Baltimore Sun

Question: I found weird tunnels in my lawn under the snow. These tunnels have no tops! I think they’re too small for a mole. What would make half-tunnels?

Answer: Those are vole tunnels. After snow melts and no longer provides protective cover, the tunnels will not be used. However, you obviously have a vole population. These short-tailed "meadow mice" seriously damage plants. Voles chew roots, girdle trunks, and devour many bulbs. For help, go to our website: www.hgic.umd.edu. Placing mouse traps at the half-dollar sized entrance to their regular tunnels, baited with peanut butter or apple bits, is effective. Especially when they are hungry in early spring.

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