Bears in zoo settings require complex environments and behavioral opportunities to prevent the stereotypic pacing and welfare compromise commonly seen in inadequate enclosures.
The welfare of captive bears has historically been among the most compromised in the zoo world, with iconic images of pacing polar bears and stereotypic sun bears serving as symbols of inadequate captive conditions. The behavioral repertoire of wild bears is extraordinarily diverse - foraging, fishing, climbing, swimming, denning, and extensive exploration across vast territories are all denied in typical captive settings. While modern zoo enclosures have improved enormously with habitat complexity, water features, and enrichment programs, the fundamental challenge of providing meaningful behavioral opportunities for wide-ranging species in limited space remains. Stereotypic behavior, once established, is often irreversible even when conditions improve, making early-life welfare critical.