Primate welfare in zoos depends heavily on exhibit design. Naturalistic enclosures with appropriate complexity dramatically improve welfare outcomes for these cognitively demanding animals.
Primate welfare in zoos has improved dramatically as exhibit design has shifted from traditional concrete cages toward naturalistic habitats. The key design principles that emerge from welfare research include: sufficient vertical climbing space for arboreal species, social group sizes and compositions that allow natural hierarchy formation, visual and physical escape options within enclosures, and foraging enrichment that spreads food delivery across time and space. Primates in well-designed exhibits show lower rates of stereotypic behavior, more diverse behavioral repertoires, and better reproductive success. The transition from traditional exhibits requires capital investment but delivers lasting welfare improvements. Accreditation standards that specify naturalistic design elements drive industry-wide improvement.