Chimpanzees are cognitively complex social primates whose welfare in captivity depends fundamentally on access to stable, well-managed social groups.
Chimpanzee welfare is inseparable from social context. Individuals in appropriate social groups have measurably better health outcomes, lower stress biomarkers, and richer behavioral repertoires. Introductions of unfamiliar individuals carry high aggression risk and require expert management. Former laboratory chimpanzees require specialized rehabilitation that addresses deep trauma from isolation and procedures. Cognitive enrichment through problem-solving tools, novel food sources, and environmental complexity is essential for animals with human-like intelligence. The species exemplifies how cognitive complexity creates both greater welfare potential and greater welfare vulnerability.