Primates in zoological settings have complex psychological needs that make their welfare especially challenging to meet. Evidence-based standards for primate care have advanced significantly in recent decades.
Primate welfare in zoos represents both the greatest challenge and some of the most advanced welfare science in zoological medicine. The cognitive sophistication that makes primates fascinating also makes them prone to serious psychological suffering when deprived of appropriate environments, social companions, and cognitive stimulation. Historical zoo management that kept primates in barren, solitary conditions caused lasting psychological damage visible in stereotypic behaviours decades later. Modern accredited zoos have substantially improved primate housing — complex climbing structures, species-appropriate social groups, cognitive enrichment — but welfare varies enormously between facilities. Transparency, independent welfare assessment, and willingness to phase out problematic exhibits are hallmarks of ethical primate management.