Polar bears are among the most challenging species to maintain in zoos due to their extreme ecological specialization. Understanding their welfare needs guides better captive management for this climate-threatened species.
Polar bear welfare in zoos exemplifies the fundamental tension between conservation value and individual welfare needs. These are animals adapted to vast, cold, sea ice environments — habitats that no zoo can replicate. The behavioral profile of polar bears in inadequate captive facilities (stereotypic pacing, swimming pool circling, abnormal repetitive behaviors) reflects the profound mismatch between their evolved needs and captive environments. Modern polar bear facilities that provide extensive land areas, deep swimming pools, ice features, complex enrichment, and varied feeding schedules produce substantially better behavioral profiles — but still fall short of replicating the environmental complexity of Arctic sea ice. The conservation argument for maintaining captive polar bears is stronger than for most species given the imminent threat to wild populations from climate change, but it comes with an obligation to provide the highest achievable welfare standards.