The small mustelids of the UK - stoat, weasel, and polecat - face habitat loss, road mortality, and pest control targeting that affects their welfare as individuals despite their wide distribution.
Small mustelid welfare is largely invisible because these animals are rarely seen and their deaths in traps are not systematically recorded. Spring traps that are incorrectly set or sized cause injury rather than instant death. Non-target capture is common in trapping programmes aimed at other species. Polecats, now recovering, are sometimes confused with ferrets and killed illegally. Habitat loss through intensive agriculture reduces the vole and rabbit prey populations that mustelids depend on, causing starvation during lean periods. Sympathetic land management that supports prey populations indirectly supports mustelid welfare.