Chimpanzees share approximately 98.7% of their DNA with humans and have correspondingly complex welfare needs. Their social complexity, cognitive sophistication, and emotional depth make captive management among the most demanding in the animal welfare world.
Chimpanzee welfare is the gold standard challenge in zoo and sanctuary animal care. The combination of cognitive sophistication comparable to young children, complex social needs, emotional depth, and long lifespan creates welfare requirements that demand extraordinary institutional commitment. Research chimps retired from biomedical use carry trauma — isolation, painful procedures, and environmental deprivation — that manifests in behavioural abnormalities requiring years of patient rehabilitation. Zoo chimps in well-designed facilities with appropriate social groups and extensive enrichment demonstrate remarkably diverse behavioural repertoires that are among the most welfare-positive outcomes achievable for great apes in captivity.