Water Vole Welfare and Mink Control Programs

The water vole was once one of the most widespread small mammals in Britain but has undergone the most rapid decline of any British mammal, devastated by introduced American mink that were released from fur farms.

Key Facts

Water vole populations declined by around 90% between the 1970s and 2010, one of the most severe mammal declines in Britain
American mink were introduced through fur farm escapes and releases and are the primary cause of water vole decline
Water voles can breed rapidly if predation pressure is removed, making recovery possible with mink control
They excavate burrow systems in river banks, feeding on riparian vegetation throughout the year
Water voles are fully protected under the Wildlife and Countryside Act, making habitat damage an offence

Welfare Considerations

Water vole welfare has been catastrophically reduced by mink predation. Mink are highly efficient predators that can follow water voles into their burrows, eliminating local populations rapidly. Water vole welfare recovery depends on mink control across catchments, which is itself a welfare intervention for a non-native invasive species. The ethics of mink trapping must be weighed against the welfare benefits for water voles and other species mink prey upon.

What You Can Do

Support Water Vole Conservation Trust and Wildlife Trust mink control programs
Report water vole sightings to county wildlife trusts to track population recovery
Advocate for riparian habitat management that maintains bank structure suitable for water voles
Back catchment-scale mink trapping programs coordinated between adjacent landowners
Never release captive mink or ferrets into the wild