Mammals crepuscular

Bank Vole

Clethrionomys glareolus

With its vibrant chestnut coat and busy personality, the Bank Vole is a delight to discover in the backyard. Watch as this agile climber navigates the secret highways of the woodland floor and garden hedges.

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Quick Identification

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Size

Head-body length: 80–120 mm (3.1–4.7 in); Tail length: 35–72 mm (1.4–2.8 in); Weight: 15–40 g (0.5–1.4 oz)

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Colors

Rich chestnut-red or reddish-brown back with creamy-grey or buff underparts and greyish flanks

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Key Features

Blunt muzzle and small, rounded ears
Distinctive reddish-brown fur on the upper parts
Tail is approximately half the length of the body
Stout, rounded body shape compared to mice

When You’ll See Them

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Activity pattern crepuscular

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Peak hours Dawn and dusk, with short bursts of activity every 2-4 hours throughout the day.

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Season Year-round, with population numbers peaking in late summer and autumn.

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Diet Primarily herbivorous, eating seeds, fruits, nuts, and green leaves, but they also consume fungi and the occasional insect or snail.

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Habitat Deciduous woodlands, mature hedgerows, and overgrown gardens with deep leaf litter and dense ground cover.

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Behavior

Bank voles are remarkably active and inquisitive rodents that spend much of their lives navigating the "under-way"—the hidden network of paths through dense leaf litter and low vegetation. Unlike many of their vole cousins, they are surprisingly agile climbers and can often be seen scrambling up low-hanging branches or shrubs to reach berries, nuts, or even bird feeders. They are less strictly nocturnal than many small mammals, often emerging in short, energetic bursts of activity throughout both day and night.

Socially, they are somewhat territorial but can live in high densities where the habitat is rich in food and cover. They construct complex tunnel systems just beneath the surface or within thick moss and leaf piles, featuring multiple nesting chambers lined with dry grass. While naturally shy of open spaces due to pressure from predators like owls and weasels, they become quite bold in gardens that offer plenty of "corridors" like hedges and log piles, making them excellent subjects for backyard observation.

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Camera Tips

To successfully capture Bank Voles on camera, placement is the most critical factor. These rodents are highly reluctant to cross open ground, so you must position your camera just 4 to 6 inches (10-15 cm) above the ground, aimed directly at a known "run," a gap in a log pile, or the base of a dense hedge. If your camera allows for it, use a macro lens or a close-focus setting, as these subjects are small and often move very close to the lens. Aim the camera at a downward angle to capture the vole's movement against the texture of the forest floor, which provides better context and identification clues.

Baiting is a highly effective way to draw Bank Voles into your camera's field of view. A small pile of sunflower hearts, crushed peanuts, or mixed birdseed placed near a natural exit point—like a hole under a tree root—will act as a magnet. To keep them in the frame for more than a split second, try hiding the seeds inside a hollow log or underneath a loose piece of bark. This encourages the vole to pause and forage, giving you a much higher chance of a clear, stable shot rather than a blurry streak of brown fur. A small smear of peanut butter on a textured branch can also encourage them to stop and lick, providing a great profile view.

Because Bank Voles move in quick, erratic bursts, camera settings should be optimized for speed. Set your camera to "Video Mode" or a high-speed "Burst Mode" with a trigger speed of 0.5 seconds or faster. A 10-15 second video clip is usually far more rewarding than a still photo, as it captures their grooming habits and social interactions. During the winter, focus your camera efforts under bird feeding stations where they scavenge for fallen debris, but ensure there is a "safety zone" of evergreen branches or stones nearby so the vole feels secure enough to linger.

Lastly, consider your lighting. While Bank Voles are active during the day, their rich chestnut fur looks most vibrant in the soft, natural light of early morning or late afternoon. If your camera uses Infrared (IR) for night shots, check if you can adjust the intensity. Because voles are so small and often very close to the camera, a powerful flash can "white out" the subject. Setting the IR to a lower intensity or using a camera with "No-Glow" LEDs will prevent overexposure and provide much clearer detail of their delicate features.

Similar Species

Species that look similar or are commonly confused with Bank Vole.

Wood Mouse

Wood Mice have much larger ears, prominent bulging black eyes, and a tail that is at least as long as their body.

Field Vole

Field Voles have shaggier, grey-brown fur, smaller ears tucked into their coat, and a much shorter tail.

House Mouse

House Mice have a more uniform greyish-brown coat, lack the chestnut-red back of the Bank Vole, and have a pointed muzzle.

Frequently Asked Questions

Bank Voles are polyphasic, meaning they are active in short bursts throughout the day and night. However, you will see the most activity during the crepuscular hours of dawn and dusk when they spend the most time foraging for food.

The best way to attract Bank Voles is to provide plenty of ground cover, such as log piles, thick mulch, or native hedges. Placing sunflower hearts or birdseed near these covered areas will encourage them to visit regularly.

Their diet is mostly vegetarian, consisting of seeds, nuts, fruits, and green vegetation. They are particularly fond of hazelmuts and blackberries, though they will also eat small insects and fungi when available.

Yes, Bank Voles are very common in suburban gardens, provided there is enough structural diversity like shrubbery and leaf litter. They are less likely to be found in gardens consisting only of open, short-mown grass.

Bank Voles have a distinctly reddish-brown back and a longer tail (half their body length). In contrast, Field Voles are shaggier, grey-brown in color, have ears almost hidden by fur, and much shorter tails.

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