Gorillas are highly social primates whose captive welfare depends on stable family groups, adequate space, and expert silverback management. Modern zoo practice has improved significantly.
Captive gorilla welfare is strongly linked to social group quality. Solitary housing causes severe psychological deterioration — gorillas are among the most socially dependent of the great apes. Silverback management is particularly challenging: dominant males may suppress subordinates' reproduction and increase group stress. Well-designed enclosures provide visual barriers, multiple feeding stations, and complex climbing structures that allow subordinate animals to avoid conflict. Foraging enrichment — scatter feeding, browse provision, and puzzle feeders — addresses the behavioural need for extended food processing activity. Gorillas in successful captive groups show playful behaviour, maternal care, and long-term social bonds that indicate positive welfare states. Facilities investing in large, naturalistic enclosures with complex social management achieve the best outcomes.