Britain's fastest-declining mammal faces welfare threats from habitat loss, mink predation, and drainage.
Water vole welfare is inextricable from their conservation. Populations at dangerously low levels cannot sustain losses from predation, habitat fragmentation, or drainage. Individual welfare matters — mink predation causes violent deaths and population stress from constant predation pressure. Habitat loss forces voles into suboptimal riparian areas with inadequate food and shelter. Effective conservation including mink control and habitat restoration directly improves welfare for water voles that persist in viable populations.