Stoats and weasels are small mustelid predators facing habitat loss and persecution, with individual welfare implications from trapping, poisoning, and habitat fragmentation.
Stoat and weasel welfare involves both the welfare of individual animals in trapping situations and the population-level welfare implications of persecution and habitat loss. Legal trapping using approved spring traps aims to achieve rapid death but can result in non-target captures and prolonged trap exposure times. Weasel population declines linked to reduced vole and mouse prey availability reflect landscape-level welfare challenges - individual weasels in prey-depleted habitats face chronic food insecurity. Young stoats separated from their mothers through trapping or habitat disturbance have extremely poor survival prospects without specialized care. Rehabilitation of small mustelids requires experienced handlers and is rarely successful with orphaned very young animals.