Welfare Science

Captive Primate Welfare Social Housing

Evidence and guidance on social housing requirements for captive primates in research, zoo, and sanctuary settings.

Key Facts

Solitary housing of social primate species causes chronic psychological distress
EU Directive 2010/63 requires social housing for primates unless scientific justification exists
Compatible social housing reduces stereotypic behaviour and improves immune function
Species-specific social requirements vary from pair housing to large groups
Introducing unfamiliar primates requires careful management to prevent injury

Welfare Considerations

Social housing for captive primates is not optional but a welfare necessity for highly social species. Solitary housing in research facilities, zoos, and some sanctuaries causes documented psychological harm that manifests as stereotypy, self-harm, and immune dysfunction. The evidence base for social housing requirements is strong, and exceptions should be genuinely justified rather than based on convenience.

What You Can Do

Avoid research institutions that use solitary primate housing without scientific justification
Support sanctuaries that provide appropriate social housing for primates
Advocate for enforcement of social housing requirements in primate welfare regulations