Wildlife

Zoo Animal Enrichment: Science and Best Practice

Environmental enrichment in zoos aims to increase behavioural complexity and reduce stereotypic behaviour, and the evidence base for effective enrichment has grown substantially.

Key Facts

Stereotypic behaviours affect a high proportion of zoo carnivores and large mammals
Effective enrichment should be unpredictable and require active engagement to be beneficial
Cognitive challenges including puzzle feeders provide mental stimulation beyond physical enrichment
Social enrichment through appropriate group housing is often the most impactful intervention
Enrichment programmes require tailoring to species-specific behavioural needs and motivations

Welfare Considerations

Zoo animals with insufficient environmental complexity often develop stereotypic behaviour patterns that indicate poor welfare. Simply providing novel objects is insufficient if they do not engage the animal in behaviourally appropriate ways. The best enrichment programmes are based on understanding the ecological context of the species and providing opportunities to perform the same range of behaviours as wild counterparts.

What You Can Do

Support zoos with accreditation from BIAZA or equivalent welfare-focused bodies
Ask zoos about their enrichment programmes and behavioural management
Donate to zoo welfare research programmes
Advocate for species-appropriate exhibit design when zoos undergo redevelopment
Engage with zoo welfare criteria when visiting or supporting zoological collections