Ring-tailed lemurs are among the most commonly kept lemur species in zoos worldwide. Their distinctive social structure and behavioural needs require careful management for good welfare outcomes.
Ring-tailed lemur welfare depends on appropriate social group structure with genuine female dominance maintained, adequate lighting including UV-B access, and sufficient space for the ranging and social behaviours that characterise wild groups. Social groups where female dominance is undermined — through inappropriate sex ratios or forced interactions — generate chronic stress. Indoor-only housing without UV-B access causes metabolic bone disease that is painful and affects mobility. The distinctive social behaviours of ring-tailed lemurs — communal sunbathing, greeting interactions, group travel — require group sizes and complexity that many zoo enclosures do not provide. Regular outdoor access with natural sunlight is a welfare requirement rather than a preference for this species.