Cross River Gorilla

Gorilla gorilla diehli

The Cross River gorilla (Gorilla gorilla diehli) is the most threatened western gorilla subspecies, living in rugged forest along the Nigeria-Cameroon border near the headwaters of the Cross River. It is closely related to the western lowland gorilla but differs in details of skull and tooth shape, and it is shaped by a much more fragmented mountain and lowland forest landscape. Groups are small, wide-ranging, and wary of people, which makes direct sightings rare. Population estimates are low, often cited at only a few hundred individuals.

There is no legitimate private ownership or commercial keeping for Cross River gorillas; human management means conservation work in protected areas, community forests, research teams, and cross-border programs. Field programs use nest counts, camera traps, dung genetics, and local reporting to map groups and protect corridors between forest patches. The main pressures are habitat loss, hunting, snares set for other wildlife, and the risk of disease from human contact. Sanctuaries and education programs in the region support gorilla conservation by reducing hunting incentives and improving responses when orphaned or injured apes are found.