They often are found in heavy ground cover of grasses, grass-like plants, and litter. They tend to live in or near damp marshy areas or wet meadows. They are most abundant in streamside meadows. They occur between 5,000 and 9,000 feet in the northwest. They occupy a variety of habitats but are most abundant along streams.
Voles eat a variety of grasses, forbs and agricultural Crops.
They also eat bark on trees and shrubs, especially during fall and winter. Biology, Reproduction and Behavior Voles are active day and night throughout the year and do not hibernate. They usually live between 2 and 16 months. Voles construct many surface runways and underground tunnels with numerous burrow entrances. A single burrow may contain several adults and young.