Mountain and eastern lowland gorillas face critical habitat threats from human encroachment, mining, and conflict. Understanding the welfare dimensions of habitat loss helps frame conservation priorities in human terms.
Gorilla welfare is inseparable from habitat security because gorilla behavioral needs — wide-ranging foraging, stable family group structure, and avoidance of human contact — all require sufficient intact forest. Habitat loss imposes welfare costs beyond mere resource reduction: when groups are compressed into smaller areas, inter-group encounters increase along with the associated aggression, infanticide, and group stress. Groups habituated to agricultural edges may consume crops and be persecuted by farmers. Disease transmission from humans represents a growing threat: gorillas share approximately 98.3% of human DNA and are susceptible to many common human respiratory pathogens, which in gorillas can cause fatal outbreaks. The welfare-effective conservation approach combines protected area enforcement, community benefit-sharing from tourism revenue, health monitoring programs for habituated groups, and support for the communities living alongside gorilla habitat. The success of mountain gorilla conservation — one of the few great ape populations to have increased — demonstrates that concerted, well-funded, community-partnered conservation can reverse catastrophic decline.