Water Vole Conservation and Welfare

The dramatic decline of water voles in Britain from introduced American mink predation, and conservation efforts to restore populations.

Key Facts

Water vole populations declined by 95% in the UK between 1960 and 1990, largely due to mink
Mink, escaped from fur farms, are an alien predator perfectly sized to follow voles into burrows
Successful water vole conservation requires mink removal across entire river systems
Restoration programs have reintroduced water voles to numerous sites after mink control
Water voles are also threatened by habitat loss from riverside development and overgrazing

Welfare Considerations

Water vole welfare is threatened principally by introduced American mink predation. Mink cause rapid and complete local extinctions of water vole colonies as their predation is too efficient for voles to adapt to. Individual water voles facing mink predation experience acute fear and death. Population crashes eliminate entire social communities of voles with long-established burrow systems. Mink control programs that reduce or eliminate mink from key river systems enable rapid water vole recovery. The welfare intervention of mink removal benefits water voles while requiring welfare-conscious methods for mink management.

What You Can Do

Support water vole conservation organizations conducting mink control programs
Advocate for continued funding for water vole restoration programs
Never release captive American mink into the environment
Support riparian habitat management that provides dense bankside vegetation for voles
Report water vole sightings and mink sightings to local wildlife recording groups