A vole that lives near water in western North American mountains. It burrows by water and is mostly active at night, though daytime activity has also been recorded.
The back ranges from gray-brown to dark brown, while the underside is gray-brown to whitish. The tail is brown above and whitish underneath.
This semi-aquatic vole lives in burrows near water. It uses stream banks and the edges of flooded marshes.
Many burrow passages open directly into water, providing an escape route from predators.
IUCN Red List · Least Concern (LC) · Global