Chimpanzees share approximately 98% of human DNA and require sophisticated social, cognitive, and environmental management for welfare in captivity.
Chimpanzee welfare in zoo settings requires the most sophisticated management applied to any non-human species. Their cognitive complexity, long memory, and strong social bonds mean that welfare failures — inappropriate social groupings, inadequate cognitive stimulation, abrupt social disruptions — have profound and lasting effects. Many older zoo chimpanzees carry psychological injuries from research use or inappropriate early care that require patient, skilled rehabilitation. Modern chimpanzee care standards mandate large social groups, extensive outdoor access, daily cognitive enrichment, and keeper relationships built through positive reinforcement. The ethical weight of keeping our closest living relatives in captivity demands the highest possible welfare commitment.