Sun bears are the smallest bear species and have specialized welfare needs related to arboreal behavior, foraging, and social structure that present unique challenges in zoo settings.
Sun bear welfare in zoos requires attention to their arboreal nature and specialized foraging behaviors. Sun bears that cannot climb - due to inadequate climbing structures in exhibits - cannot express one of their most fundamental behavioral drives. Their long tongues are specialized for extracting insects from bark and honey from beehives - puzzle feeders that require tongue-insertion and extraction provide critical cognitive and physical engagement. Social management requires careful attention to their solitary, territorial nature - inappropriate pairing causes chronic stress. The context of sun bear bile farming in Asia, where bears are kept in crush cages unable to stand or turn around for bile extraction, represents one of the most extreme welfare abuses in the world and underscores why welfare-focused zoo programs for this species serve both individual welfare and conservation education.