Wildlife Welfare: Water Vole Conservation and Predator Control

Water voles have declined catastrophically in the UK, primarily due to American mink predation, with targeted mink control being essential for their welfare and recovery.

Key Facts

UK water vole populations declined by 90%+ since the 1970s, primarily due to mink predation
A single American mink can eliminate an entire water vole colony within weeks
Targeted mink control using humane cage traps is essential for water vole recovery projects
Mink raft trap systems allow efficient monitoring and capture along waterways
Water vole reintroductions are only viable where mink control is maintained

Welfare Considerations

Water vole welfare from mink predation involves acute suffering at individual level - mink are pursuit predators that chase and kill water voles. At population level, mink predation causes colony collapse. The welfare cost of mink predation is borne by water voles; the welfare cost of mink control through trapping falls on individual mink. Conservation decisions in this context must weigh these welfare considerations against the conservation value of preventing water vole extinction.

What You Can Do

Support water vole conservation projects that include mink control programmes
Donate to the People's Trust for Endangered Species for water vole conservation
Report mink sightings near waterways to local wildlife groups
Volunteer with mink monitoring programmes using raft systems on local waterways