Building science-based, grower-led strategies for vole management

The Willamette Vole Management group unites growers and producers, researchers, state and federal agencies, and non-governmental organizations across the Willamette Valley to co-develop research and management strategies for gray-tailed vole populations.

Illustration of tall green plants with long leaves and small yellow flowers against a neutral background.
Illustration of a hamster with brown fur, small ears, and long whiskers on a black background.
A small, furry vole sitting on a log, holding food with its tiny paws in a natural outdoor setting.
A vineyard with rows of grapevines on rolling hills under a partly cloudy sky.
A small rodent, possibly a mouse, emerging from a metal trap surrounded by grass and dried plant matter.

Our Mission

Co-developing management solutions for the cyclical dynamics of gray-tailed voles

The Willamette Valley in the Pacific Northwest of the United States is an agricultural system of national and international importance. Over 80% of the grass seed grown in the United States and 99% of hazelnut production in the U.S. occurs in the Willamette Valley.

The region is also home to the gray-tailed vole, an endemic rodent which displays uncharacterized boom-bust population fluctuations. Vole population outbreaks can have major impacts on economic, ecological, even political systems.

The Willamette Vole Management group unites stakeholders across the Valley to work on solutions for vole management that work for both people and wildlife.

Recent news and updates

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Illustration of a brown otter with a beige underbelly and face, lying down on a white surface.

Current projects

Why This Work Matters

Vole outbreaks can directly impact Willamette Valley’s economy, human health, and biodiversity.

We need everyone to better understand the currently unpredictable cycles of gray-tailed vole populations in the Willamette Valley. Through innovative collaborations, we can develop science-driven, stakeholder-led strategies for effective vole management.

Silhouettes of a cat, grass, trees, and moon in a nighttime scene.