Field Vole (Microtus agrestis) – Identification, Habits, Life Cycle and Control

The Field Vole (Microtus agrestis), sometimes called the Short-tailed Vole, is one of Britain’s most widespread small mammals. It lives mainly in rough grassland, meadows, farmland, heathland and other places where dense vegetation provides food and shelter.

Field Voles are compact rodents with grey-brown fur, small ears, a blunt snout and a noticeably short tail. They spend much of their lives beneath vegetation, creating narrow runways between feeding areas and nests. Although they are abundant in suitable habitats, their secretive behaviour means they are often overlooked.

Unlike House Mice and Brown Rats, Field Voles rarely enter buildings or establish household infestations. They are primarily outdoor animals that feed on grasses, sedges and other vegetation. Their grazing and nesting behaviour forms a natural part of grassland ecosystems.

However, when populations become particularly high, Field Voles can sometimes damage young trees, newly planted woodland, crops and ornamental plants. Their feeding may become especially noticeable during winter when other food sources are less available.

Youngs Pest Control provides professional pest identification and management advice for homeowners, landowners and businesses. Where Field Vole damage is suspected, confirming the species and assessing the circumstances are important before considering any management measures.

Field Vole – Quick Facts

Field Vole Taxonomy and Classification

The Field Vole belongs to the family Cricetidae and subfamily Arvicolinae, which includes voles and related rodents. It is distinct from the true mice of the family Muridae.

The Field Vole is one of Britain’s familiar native vole species, alongside the Bank Vole and Water Vole. Although these animals share certain characteristics, they differ in appearance, preferred habitats and behaviour.

For further information about Field Vole identification, habitat, feeding habits and ecological importance, visit The Wildlife Trusts’ Field Vole species guide.

How to Identify a Field Vole

Field Voles are small, stocky rodents with several features that help distinguish them from mice and other voles.

Compact Body

Adults typically measure approximately 8.5–13 cm in head and body length. Their rounded, compact build is well suited to moving beneath dense vegetation.

Grey-Brown Fur

The upper body is generally grey-brown or brown, while the underside is noticeably paler.

Short Tail

The tail usually measures around 2.5–4.5 cm and is considerably shorter than the body.

Blunt Snout

Field Voles have a relatively rounded face with a blunt nose, unlike the more pointed appearance of many mice.

Small Ears

The ears are rounded but relatively small and often partly concealed by the surrounding fur.

Small Eyes

The eyes are dark and less prominent than those of a typical Wood Mouse.

Short Limbs

The legs are relatively short and allow the animal to move quickly through narrow grass tunnels.

Continuously Growing Incisors

Like other rodents, Field Voles have incisors that continue growing throughout their lives. These are used to cut grasses, stems and other plant material.

Field Vole vs Bank Vole vs House Mouse

Field Voles are often mistaken for Bank Voles or House Mice. Comparing their appearance and habitat can help distinguish them.

The Field Vole’s short tail, stocky body and preference for rough grassland are particularly useful identification clues.

Field Vole vs Wood Mouse

The Wood Mouse, also known as the Field Mouse, is sometimes confused with the Field Vole because both inhabit gardens, farmland and natural vegetation.

However, Wood Mice have larger eyes, more prominent ears, longer hind legs and much longer tails.

Field Voles have a stockier appearance, shorter tail, smaller eyes and a blunter face.

Wood Mice also tend to jump and climb more readily, whereas Field Voles usually move through ground-level vegetation and established runways.

Field Vole Life Cycle and Reproduction

Field Voles are capable of reproducing quickly when food and environmental conditions are favourable.

The main breeding season generally extends from March to October, although reproduction may continue during mild winters.

1. Mating

Breeding activity increases during spring as temperatures rise and fresh vegetation becomes more available.

2. Pregnancy

Gestation usually lasts approximately 20–21 days.

3. Birth

Females typically give birth to four to six young, although larger litters may occur.

4. Early Development

Newborn Field Voles are blind, hairless and completely dependent on their mother.

5. Eye Opening

The eyes generally open after approximately 9–12 days.

6. Weaning

Young are usually weaned at around 12–14 days.

7. Sexual Maturity

Young females born early in the breeding season may become capable of reproducing before the season ends.

8. Adult Life

Most Field Voles survive for less than one year in the wild, largely because of predation and environmental pressures.

Field Vole Reproduction – Quick Reference

Reproductive success varies with food availability, weather, predation and population density.

Why Do Field Vole Populations Increase?

Field Vole populations can fluctuate substantially between years.

Mild winters, favourable growing seasons and abundant vegetation may allow more animals to survive and reproduce.

Because Field Voles mature quickly and can produce several litters, numbers may increase rapidly when conditions are suitable.

However, population growth is influenced by food availability, disease, predation and environmental conditions.

These natural population changes are important in grassland ecosystems because many predators depend heavily on voles as a food source.

Where Do Field Voles Live?

Field Voles favour habitats containing dense ground vegetation that provides both food and protection.

Rough Grassland

Long grass provides feeding opportunities, nesting material and cover from predators.

Meadows

Meadows support a variety of grasses and other plants suitable for grazing.

Pasture

Less intensively managed pasture may provide suitable habitat, particularly where vegetation remains dense.

Heathland

Field Voles can occupy heathland where suitable grasses and ground cover are present.

Moorland

Grassy areas of moorland can support Field Vole populations.

Roadside Verges

Long vegetation along roadsides may provide sheltered movement routes and feeding areas.

Forestry Plantations

Young plantations can offer ground cover, although feeding activity may sometimes damage newly planted trees.

Field Margins

Vegetated margins between agricultural fields provide food and protection.

Overgrown Gardens

Gardens containing long grass, dense vegetation and undisturbed areas may support Field Voles.

Where Do Field Voles Build Their Nests?

Field Voles usually construct nests in sheltered locations close to the ground.

Typical nesting areas include:

• Beneath dense grass
• Among thick vegetation
• Within shallow underground chambers
• At the base of grassy banks
• Under sheltered ground cover
• Along established grassland runways

Nests are generally made from dry grass and other soft vegetation.

Unlike House Mice, Field Voles are not normally associated with nesting inside lofts, wall cavities or occupied buildings.

What Does a Field Vole Nest Look Like?

A Field Vole nest is usually a compact structure made from dry grass and other plant material.

It may be concealed above ground beneath thick vegetation or within a shallow underground chamber.

The surrounding area often contains narrow runways connecting the nest to nearby feeding locations.

Because the nest is usually well hidden, it may not be visible without disturbing the vegetation.

Finding a small nest in grass does not automatically confirm Field Vole activity, as other small mammals may use similar locations.

What Are Field Vole Runways?

Field Voles create networks of narrow pathways through dense grass and ground vegetation.

These runways connect nesting sites, feeding areas and escape routes.

Repeated movement may flatten or part the vegetation, leaving visible tracks close to ground level.

Runways help voles travel while remaining concealed from predators.

They are among the most characteristic signs of Field Vole activity in suitable grassland habitat.

Are Field Voles Active During the Day?

Yes. Field Voles are active during both daylight and darkness.

Rather than feeding continuously, they undertake numerous short periods of activity throughout the day and night.

This behaviour allows them to feed regularly while limiting the time they spend exposed to predators.

Because most movement occurs beneath vegetation, Field Voles may remain unnoticed even in areas where they are abundant.

What Do Field Voles Eat?

Field Voles are primarily herbivorous mammals.

Their diet consists mainly of plant material, particularly grasses and other ground vegetation.

Common food sources include:

• Grasses
• Sedges
• Rushes
• Green shoots
• Leaves
• Roots
• Seeds
• Young seedlings
• Tree bark during periods of limited food availability

They may occasionally consume small invertebrates, but plant material forms the main part of their diet.

Do Field Voles Eat Tree Bark?

Yes. Field Voles may feed on the bark of young trees, particularly during winter when fresh grasses and other vegetation are less available.

They commonly gnaw around the lower trunk or stem close to ground level.

Where bark is removed around much of the circumference, the damage can interrupt the movement of nutrients and water within the tree.

Severe damage may weaken or kill young trees.

Newly planted forestry plantations and young ornamental trees can be particularly vulnerable when vole numbers are high.

Do Field Voles Hibernate?

No. Field Voles remain active throughout the year.

During winter, they continue feeding beneath vegetation and within sheltered ground-level routes.

Their dense fur provides insulation, while their compact bodies and short extremities help reduce heat loss.

Cold weather may influence their activity, but they do not undergo true winter hibernation.

Common Signs of Field Vole Activity

Field Voles are secretive animals, so evidence of their presence is often found in vegetation rather than through direct sightings.

• Grass runways: Narrow, flattened pathways beneath dense vegetation.
• Short grass clippings: Freshly cut pieces of grass around feeding areas.
• Small openings: Access points to shallow tunnels or sheltered nesting areas.
• Gnawed bark: Damage around the base of young trees.
• Damaged seedlings: Young plants showing signs of grazing.
• Small droppings: Rodent pellets found along active ground-level routes.
• Concealed nests: Grass nests beneath thick vegetation.
• Repeated sightings: Small, short-tailed rodents moving through rough grass.

These signs may suggest Field Vole activity, but confirmation should consider the animal’s appearance and the surrounding habitat.

What Do Field Vole Droppings Look Like?

Field Vole droppings are small, dark pellets that may be found along runways and around feeding areas.

Their appearance can overlap with droppings from other small rodents.

For this reason, droppings alone are not a reliable way to distinguish Field Voles from mice or other vole species.

Additional evidence, including short grass runways, feeding damage and direct observation, may help with identification.

Can Field Voles Damage Gardens?

Field Voles can occasionally damage gardens, particularly where dense vegetation provides shelter close to vulnerable plants.

Potential problems include:

• Grazing on young seedlings
• Damage to vegetable crops
• Feeding on ornamental plants
• Damage to bulbs and roots
• Gnawing bark around young trees
• Creating runways beneath long grass

However, Field Voles are also important native mammals, and their presence in a garden does not automatically require control.

Management is most relevant when damage is significant and the species responsible has been correctly identified.

Field Vole Damage to Young Trees

Young trees can be vulnerable to Field Vole feeding, especially in areas containing thick grass around the base of the trunk.

Voles may gnaw bark close to ground level, sometimes removing enough material to affect the tree’s growth.

Severe bark stripping can interrupt the tree’s ability to transport water and nutrients.

This may cause poor growth, dieback or death of young saplings.

Newly planted woodland and forestry plantations may be particularly vulnerable during periods of high Field Vole activity.

Field Voles in Agricultural Land

Field Voles are common in agricultural landscapes, particularly where rough grassland, field margins and sheltered vegetation are available.

At high population densities, they may cause damage to:

• Young cereal crops
• Grass leys
• Newly planted woodland
• Tree seedlings
• Young shrubs
• Other vulnerable planting

Most Field Vole activity is part of the normal ecology of farmland.

However, where substantial damage occurs, identifying the cause and assessing the scale of the problem can help determine whether management is justified.

Do Field Voles Enter Houses?

Field Voles rarely enter homes and are not normally considered household pests.

They are strongly associated with outdoor grassland habitats and spend most of their lives close to ground vegetation.

When a small rodent is found inside a house, shed or loft, House Mice, Wood Mice or other species may be more likely explanations.

Correct identification is therefore important before assuming that a Field Vole is responsible.

Are Field Voles Dangerous to Humans?

Field Voles present very little direct risk to people.

They are not aggressive animals and generally avoid human contact.

Like other wild mammals, they may carry parasites and microorganisms, so direct handling should be avoided.

Field Voles are not normally regarded as significant sources of disease transmission to the general public in the UK.

Their main potential impact on people is through occasional damage to crops, young trees and garden planting.

Do Field Voles Damage Buildings?

Field Voles are not normally considered structural pests.

Unlike House Mice and rats, they rarely establish themselves inside buildings.

They do not typically cause problems involving loft contamination, damaged food packaging or gnawed electrical wiring.

Most Field Vole-related concerns occur outdoors, particularly in gardens, grassland, agricultural land and forestry plantations.

Why Are Field Voles Important to Wildlife?

Field Voles are one of the most important prey species in British grassland ecosystems.

They provide food for numerous birds of prey and mammalian predators.

Common predators include:

• Barn Owls
• Short-eared Owls
• Tawny Owls
• Kestrels
• Buzzards
• Foxes
• Stoats
• Weasels
• Badgers
• Domestic cats
• Adders

Changes in Field Vole populations can influence the breeding success and feeding behaviour of predators that depend on them.

Field Voles also influence grassland vegetation through grazing and contribute to nutrient cycling.

How to Prevent Field Vole Damage

Where Field Voles are damaging vulnerable plants, prevention should focus on protecting the affected areas rather than attempting to remove animals unnecessarily.

1. Confirm the Species

Check whether the damage is being caused by Field Voles, Bank Voles, mice, rabbits or another animal.

2. Inspect Damaged Plants

Look for grazing, bark stripping and other evidence around the affected area.

3. Protect Young Trees

Suitable tree guards may help prevent access to vulnerable bark when correctly fitted and maintained.

4. Manage Vegetation Around Vulnerable Planting

Reducing dense cover immediately around young tree bases may make these locations less attractive to voles.

5. Monitor New Planting

Regularly inspect newly planted woodland, shrubs and garden beds for fresh damage.

6. Avoid Unnecessary Disturbance

Where Field Voles are living harmlessly in natural grassland, intervention is generally unnecessary.

7. Seek Professional Advice

When damage is extensive or recurring, professional identification can help determine appropriate measures.

Should Field Voles Be Controlled?

Field Voles are native mammals with an important ecological role, so control is not normally necessary simply because they are present.

Where substantial damage occurs to young trees, crops or ornamental planting, targeted prevention may be appropriate.

Any intervention should consider the species involved, the extent of damage, the surrounding habitat and relevant UK wildlife and animal welfare requirements.

Non-lethal protective measures and habitat management should be considered before more intrusive approaches.

Professional Field Vole Identification and Management

When unexplained grazing or bark damage appears around gardens, agricultural land or young plantations, professional assessment can help identify the cause.

Youngs Pest Control provides professional pest management advice for residential, rural and commercial properties.

1. Inspection and Assessment

We assess the affected areas for feeding damage, ground-level runways, nesting evidence and other signs of small mammal activity.

2. Species Identification

We consider whether Field Voles, Bank Voles, mice or another animal may be responsible.

3. Appropriate Management Recommendations

Where damage is confirmed, we consider practical measures suitable for the location and circumstances.

4. Prevention Advice

We provide guidance on protecting vulnerable planting and reducing the likelihood of recurring damage.

The most appropriate response depends on the species, habitat and extent of the problem. Finding Field Voles in natural grassland does not usually justify pest control treatment.

Field Vole Advice for Gardens, Farms and Commercial Land

Domestic Gardens

Field Voles may occasionally damage bulbs, young plants and newly planted trees where long grass provides shelter.

Agricultural Land

High populations may affect crops and grassland, particularly where suitable vegetation supports extensive runway networks.

Forestry Plantations

Young trees may be vulnerable to bark feeding, especially during winter.

Landscaped Commercial Grounds

Ornamental planting and newly established shrubs may require protection where repeated feeding damage occurs.

Nature Reserves and Conservation Areas

Field Voles are valuable prey animals and an important part of grassland biodiversity. Their presence is generally beneficial.

Field Vole Identification Across Greater Manchester, Cheshire and Merseyside

Youngs Pest Control is a family-run pest management company with over 35 years of experience, providing pest identification and management advice throughout the North West.

We serve properties across Greater Manchester, Cheshire and Merseyside.

Whether you have discovered unexplained bark damage, signs of small rodents in a garden or grazing damage around newly planted trees, identifying the animal responsible is the first step towards selecting suitable prevention measures.

Our team can advise on pest identification and appropriate management options for residential and commercial environments.

Frequently Asked Questions About Field Voles

What is a Field Vole?

A Field Vole is a small native British rodent scientifically known as Microtus agrestis.

What is another name for the Field Vole?

It is also commonly called the Short-tailed Vole.

Are Field Voles common in the UK?

Yes. They are among Britain’s most abundant small mammals in suitable grassland habitats.

What does a Field Vole look like?

It has a stocky body, grey-brown fur, a blunt snout, small ears and a short tail.

How big is a Field Vole?

Adults generally measure 8.5–13 cm in body length, excluding the tail.

How long is a Field Vole’s tail?

The tail usually measures approximately 2.5–4.5 cm.

Is a Field Vole a mouse?

No. Field Voles and mice are different groups of rodents.

What is the difference between a Field Vole and a Bank Vole?

Field Voles usually have shorter tails, greyer fur and smaller, less visible ears.

Where do Field Voles live?

They prefer rough grassland, meadows, field margins, heathland and other areas with dense vegetation.

Do Field Voles live in gardens?

Yes. Overgrown gardens with long grass and sheltered ground cover may provide suitable habitat.

Do Field Voles enter houses?

Rarely. They are primarily outdoor mammals and are not typical household pests.

Are Field Voles active at night?

Yes. They are active during both day and night, usually in short feeding periods.

What do Field Voles eat?

They mainly eat grasses, sedges, rushes, shoots, leaves and other plant material.

Do Field Voles eat tree bark?

Yes. They may gnaw the bark of young trees, especially during winter.

Can Field Voles kill young trees?

Severe bark stripping around the base of a tree can weaken or kill young saplings.

Do Field Voles dig tunnels?

They may use shallow burrows, but they are particularly known for creating runways through grass.

What do Field Vole nests look like?

They are compact nests made from dry grass, usually hidden beneath vegetation or in shallow chambers.

Do Field Voles hibernate?

No. They remain active throughout the year.

How many babies do Field Voles have?

Typical litters contain four to six young, although larger litters can occur.

How quickly do Field Voles reproduce?

Gestation lasts around 20–21 days, and females can produce several litters during a favourable breeding season.

How long do Field Voles live?

Most survive for less than one year in the wild.

Are Field Voles dangerous to humans?

They pose very little direct risk, although handling wild mammals should be avoided.

Are Field Voles good for wildlife?

Yes. They are an important food source for owls, kestrels, foxes and other predators.

Should I get rid of Field Voles in my garden?

Usually not. Control is generally unnecessary unless significant damage is occurring.

How can I protect young trees from Field Voles?

Suitable tree guards, monitoring and vegetation management around vulnerable planting may help.

When should I contact Youngs Pest Control?

Contact us if you are unsure which animal is causing damage to young trees, crops or garden planting.

Field Vole Identification and Management Advice – Youngs Pest Control

The Field Vole is an important native British mammal that supports many birds of prey and other wildlife. Its grazing, nesting and movement through grassland are natural parts of a healthy ecosystem.

However, high populations can occasionally damage young trees, crops and ornamental planting. Identifying the species and understanding the cause of the damage are essential before deciding whether intervention is appropriate.

Youngs Pest Control is a family-run pest management company with over 35 years of experience. We are fully insured and members of the National Pest Technicians Association.

We provide professional pest identification and management advice across Greater Manchester, Cheshire and Merseyside.

If you have noticed unexplained grazing, bark damage or signs of small rodents around your property, contact our team for advice.

Contact Youngs Pest Control:

Telephone: 0161 776 9832

Mobile: 07845 815 261