Northern red-backed voles primarily ate berries during the fall and winter.

Young northern red-backed voles are unable to regulate their temperature successfully until about 18 days.

Northern red-backed voles are active all winter and construct long tunnels under the snow.

Northern red-backed voles use surface runways through the vegetation as travel corridors.

Northern red-backed voles frequently invade houses during the winter.

The breeding season of northern red-backed voles generally extends from May to August.

The northern red-backed vole, a typical Siberian species, is a characteristic inhabitant of the national park.

It is bigger and longer-legged than the Northern Red-backed vole, which covers a similar range.

Northern red-backed voles live in a variety of northern forest and shrubland habitats.

Northern red-backed voles inhabit areas that contain dense ground cover for protection from weather and predation.

Northern red-backed voles are abundant on early successional sites as well as in mature forests.

During the winter, northern red-backed voles use layers of thick moss or matted vegetation as thermal cover.

Berries are generally the major food item in the diet of northern red-backed voles and are eaten whenever available.

Northern red-backed voles are commonly found in northern shrub vegetation or open taiga forests.

The mid- to late summer diet of northern red-backed voles also included a large proportion of mosses, although berries were still the primary food.

In central Alaska, West found that northern red-backed voles relied heavily upon the fruits of several berry-producing plants during all seasons.

Northern red-backed voles are mainly nocturnal and crepuscular but are of necessity about during the prolonged arctic daylight season.

In dense populations of northern red-backed voles, sexual maturation of young females may be delayed, or they may migrate to a vacant breeding space.

In Alaska, northern red-backed voles and voles (Microtus spp.)

Northern Red-backed Vole (Myodes rutilus)

On the Kenai National Wildlife Refuge in south-central Alaska, the presence of northern red-backed voles was positively correlated with protective cover.

Northern red-backed voles on the Kenai National Wildlife Refuge fed during the summer on berries of species such as mountain cranberry and bunchberry.

Northern red-backed voles eat the leaves, buds, twigs and berries of numerous shrubs; they also eat forbs, fungi, mosses, lichens, and occasionally insects.

Smaller mammalian more rarely recorded prey includes Northern red-backed vole (Clethrionomys rutilus) and Tundra vole (Microtus oeconomus).

The northern red-backed vole (Myodes rutilus) is a small slender vole found in Alaska, northern Canada, Scandinavia and northern Russia.

Northern Red-backed Vole (Myodes rutilus)