The recovery of pine martens in the UK is one of conservation's success stories, raising welfare considerations about population management and reintroduction.
Pine marten welfare during recovery is influenced by reintroduction stress, territory establishment challenges, and ongoing mortality threats. Reintroduced individuals face unfamiliar landscapes, potential prey availability challenges, and elevated road crossing rates as they establish territories. Accidental capture in predator traps set for other species causes injury and death. As populations grow and individuals disperse through fragmented habitats, road mortality increases. Reintroduction programs that include welfare monitoring, supplementary feeding during establishment, and coordination with road authorities to reduce collision hotspots address individual welfare as well as population recovery.