Effective zoo enrichment goes beyond novelty - it provides animals with genuine agency, choice and control over their environment, which are fundamental to psychological wellbeing.
The quality of zoo enrichment matters enormously - provision of novel objects or foods that animals ignore delivers no welfare benefit. Effective enrichment is designed from the animal's perspective: what behaviours are they motivated to perform, what sensory modalities do they use, and what opportunities for agency can we create? The most impactful enrichment gives animals control: choice about where to be, who to associate with, and what to investigate. This sense of control is a powerful buffer against chronic stress and a driver of positive affective states.