Cognitive enrichment — providing mental challenges — is increasingly recognised as essential for the psychological welfare of intelligent zoo animals.
Cognitive enrichment represents a paradigm shift in zoo animal care: recognising that intelligent animals need not just food and shelter but mental engagement. The evidence is clear that without cognitive challenge, intelligent animals develop boredom-related pathologies: stereotypies, self-harm, aggression, and apparent depression. Providing puzzle feeders for bears, painting opportunities for elephants, and complex social environments for primates improves measurable welfare outcomes. The best zoos now employ enrichment coordinators and systematically vary the cognitive challenges provided to their animals. This is not a luxury — for intelligent species, cognitive enrichment is a basic welfare necessity.