Brown bears have complex welfare needs including natural behavioral opportunities and, in some climates, appropriate provision for winter torpor. Understanding bear welfare requirements guides quality zoo management.
Bear welfare in zoo settings is heavily influenced by the size and complexity of the enclosure relative to their natural ranging behavior. Bears in small, barren enclosures show high rates of stereotypic pacing that is both a welfare indicator and a welfare problem - the repetitive behavior reflects chronic frustration while potentially replacing more appropriate behaviors. Large foraging-based enclosures where bears must work to find food scattered through complex terrain provide dramatically better welfare by engaging natural behavioral motivation. In colder climates, providing appropriate denning conditions that allow natural torpor behavior adds another welfare dimension. The trend toward larger, more naturalistic bear exhibits in accredited zoos reflects genuine welfare improvement driven by behavioral science.