Eight bear species are kept in zoos worldwide, each with distinct behavioral and ecological requirements. Meeting species-specific welfare needs is essential for ethical captive management and conservation credibility.
Bear welfare in captivity spans a wide range from genuinely good to severely compromised. The welfare minimum for bears includes large, complex naturalistic enclosures with varied substrates, water features, climbing structures, and dens; species-appropriate social management; dietary variety including foraging challenges; and the opportunity for some degree of seasonal behavioral variation. Polar bear welfare presents particular challenges — no zoo environment approximates their ecological and social reality, and the argument for keeping them in captivity based on conservation value is weaker than for many other species. Sun bears and spectacled bears respond well to enriched environments and positive reinforcement training. Grizzly and brown bears require extensive space and environmental complexity to prevent stereotypy development. The welfare standard should be set by the animal's needs, not by what is convenient to provide.