Sun bears are the world's smallest bear species with highly specialised needs for climbing, foraging, and social engagement in zoo settings.
Sun bear welfare in zoo settings requires recognition of their arboreal lifestyle and complex foraging behaviour. Enclosures must provide climbing structures of appropriate scale, substrate for digging and foraging, and enrichment that engages their highly specialised tongue and dexterous paws. Bile farming represents one of the most severe welfare abuses in Asia — bears are kept in crush cages with permanently implanted devices to extract bile fluid, causing chronic pain, infection, and psychological distress. Sanctuaries in Vietnam, Cambodia, and Malaysia rescue and rehabilitate former bile bears. Supporting these organisations is one of the most direct welfare contributions possible for sun bear welfare.