Danger Level: 2/5

Voles

Microtus spp.

Voles (meadow mice) are small, stocky rodents with short tails, small ears, and blunt snouts. They're often confused with mice but have smaller eyes, shorter tails (about 1/3 body length), and stockie...

Quick Facts

Size4-8 inches long
ColorBrown to grayish-brown
Lifespan3-6 months in the wild
Active SeasonsYear-round, Most active spring/fall
Common LocationsLawns, Gardens, Orchards

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Identification

How to Identify Voles

Quick Answer

Voles (meadow mice) are small, stocky rodents with short tails, small ears, and blunt snouts. They're often confused with mice but have smaller eyes, shorter tails (about 1/3 body length), and stockier bodies.

Voles (meadow mice) are small, stocky rodents with short tails, small ears, and blunt snouts. They're often confused with mice but have smaller eyes, shorter tails (about 1/3 body length), and stockier bodies. In Idaho, the montane vole and meadow vole are most common.

Voles - showing key features for identification
Behavior

Voles Behavior & Habits

Understanding how voles behave helps prevent infestations

Voles behavior and habitat

Voles create extensive tunnel systems just below the soil surface or under snow cover. They're active day and night, year-round. A single pair can produce 100+ offspring per year. They eat grass, roots, bulbs, and bark—especially damaging to fruit trees and ornamental plants during winter.

Dangers

Voles Risks & Dangers

What voles can do to your health and property

Health Risks

Voles rarely enter homes and pose minimal direct health risks. However, they can carry parasites like ticks and fleas that may transmit diseases.

Property Damage

Voles cause significant landscape damage. They girdle trees and shrubs (eating bark around the base), destroy bulbs and root vegetables, kill lawns with their runway systems, and can damage irrigation lines.

Warning Signs

Signs of Voles Infestation

Look for these indicators in your home

Surface runways (1-2 inch wide paths) through grass
Small round holes (1.5 inches) at ground level
Gnaw marks on tree bark near ground level
Dead patches in lawn following runway patterns
Missing or damaged bulbs and root vegetables
Droppings (small, greenish) in runways

Voles in Boise & the Treasure Valley

Voles are extremely common throughout the Boise area, particularly in established neighborhoods with mature landscaping. Damage is worst in late winter when they girdle trees under snow cover. Eagle, Meridian, and North End Boise see heavy vole pressure due to abundant vegetation.

Our Solution

How We Eliminate Voles

Professional treatment for complete elimination

Vole control requires an integrated approach. We use targeted baiting in runway systems, habitat modification recommendations, and exclusion devices for valuable trees. For severe infestations, we implement population reduction through strategic trapping combined with ongoing monitoring.

Prevention

How to Prevent Voles

Steps you can take to reduce the risk of infestation

1
Keep lawns mowed short (removes cover)
2
Remove leaf litter and ground debris
3
Pull mulch 3+ inches away from tree trunks
4
Use hardware cloth cylinders around young trees
5
Reduce dense groundcover near valuable plants
6
Remove fallen fruit and seeds
FAQ

Voles Questions Answered

Common questions about identification, prevention, and treatment

What's the difference between voles and moles?

Voles are small rodents that eat plants and create surface runways. Moles are insectivores with large digging claws that create raised tunnel ridges. Voles damage plants; moles damage lawns but actually eat grubs and insects.

Why are voles killing my trees?

Voles gnaw bark off trees at the base (girdling), especially under snow cover in winter. Once bark is removed around the entire trunk, the tree dies. Protect young trees with hardware cloth guards extending 18 inches high.

Do cats control voles?

Cats and other predators help reduce vole populations but rarely eliminate them. Voles reproduce so quickly (5-10 litters per year) that predation alone usually can't keep pace with population growth.

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Similar Pests

Learn about other pests in this category

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