Sumatran and Bornean orangutans face habitat destruction from palm oil plantation expansion, with direct welfare harms from conflict and orphaned infant rescue.
Orangutans killed during plantation clearing die from shooting, poisoning, and live burial during land clearing machinery operations. Mothers killed in conflict leave infants that require years of specialist care and cannot easily be released as adults. Infant orphans experience severe psychological trauma from maternal loss during a developmental period requiring intensive social learning. Orangutans in degraded habitats face nutritional stress from reduced fruit availability. The intelligence and emotional complexity of great apes means their suffering from habitat destruction and persecution has profound moral weight.