Chimpanzees are highly intelligent, tool-using social primates whose welfare in zoos depends critically on complex enrichment, stable social groups, and meaningful behavioral opportunities.
Chimpanzee welfare in zoos is among the most demanding welfare challenges because their cognitive complexity means that environmental inadequacy is experienced with particular intensity. Chimpanzees who are bored, socially deprived, or unable to express natural foraging and tool-use behaviors show behavioral pathologies including regurgitation and reingestion, self-biting, and chronic rocking that reflect profound psychological suffering. Best practice chimpanzee management involves large, complex enclosures with vertical structure, foraging enrichment that requires skilled manipulation, stable social group composition, and positive reinforcement training that allows voluntary cooperation with veterinary procedures. The ethical obligation to chimps in zoos is particularly strong given their cognitive kinship with humans.