Woodland Vole (Microtus pinetorum) lives in eastern woodlands across North America. It feeds on grass and seeds. Its conservation status is Least Concern.
Fascinating facts about the Woodland Vole
- The woodland vole's eyes, external ears and tail are tiny, a reduction that lets it squeeze through narrow tunnels. Its tail measures only 0.5-1.5 in (13-38 mm), reinforcing its streamlined shape for burrowing. Most of its life is spent underground in extensive burrow systems, keeping it safe from hawks and owls. This suite of reductions is a direct adaptation to its partially subterranean lifestyle.
- Woodland voles cause almost $50 million of annual loss to apple growers in the United States, making them a significant agricultural pest. Apple orchards are a favourite habitat because the root systems of trees provide a vital food source, and tree spacing directly influences vole density. Their feeding on roots and stems damages trees and reduces orchard productivity.
- A woodland vole family group occupies an exclusive burrow within a home range of about 14.75-17.75 in (40-45 cm). The group typically comprises a breeding male and female, their 1-4 offspring and occasionally additional members that act as helpers. These helpers are immigrants from other groups, and because neighbouring voles rarely invade, the burrow is seldom defended. This social structure allows the limited burrow resource to be shared without frequent conflict.
- After mating, the female develops a vaginal plug that remains in place for three days, preventing further insemination. Gestation then proceeds for 20 to 24 days, after which the litter is born. In northern populations the breeding season runs from March until late autumn, while in the south breeding can continue year-round, allowing up to four litters annually, each containing one to five young.
- Feeding mainly on roots and tubers means the vole obtains most of its moisture from food, so it rarely needs to drink water. It also stores surplus food, especially in winter, creating caches underground. Its diet is varied, encompassing plant roots, stems, fruits, seeds, bark, subterranean fungi and occasional insects. Most activity occurs below ground in extensive burrow networks, keeping it safe from aerial predators.
Sources
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At a glance
RangeNorth America
HabitatEastern woodlands
DietGrass and seeds
About the Woodland Vole
In the dappled undergrowth of the forest floor, the woodland vole weaves a secret life, its tiny paws barely disturbing the leaf litter as it navigates a labyrinthine world of hidden pathways and ancient tree roots. With a twitch of its whiskers and a flick of its ear, this diminutive creature darts through the shadows, driven by an insatiable hunger for the seeds, fruits, and tender shoots that sustain it. As it moves, the vole leaves behind a trail of subtle signs, a testament to its remarkable adaptability and resilience in this ever-changing woodland realm.
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