NEW YORK (December 20) – SILVER BELLS, SILVERBACK -- The Wildlife Conservation Society (WCS) released this stunning camera trap photo of a silverback Cross River gorilla (Gorilla gorilla diehli) taken in Nigeria’ s Afi Mountain Wildlife Sanctuary. Cross River gorillas are the rarest of the four gorilla subspecies – numbering fewer than 300 individuals and found only in the forested, mountainous border region of Nigeria and Cameroon. WCS conservation work at this site is supported by Save our Species, U.S. Fish and Wildlife Service Great Ape Conservation Fund, U.S. Forest Service, Arcus Foundation, PUMA through Great Apes Survival Partnership, and additional generous supporters. The North Carolina Zoo and Cross River State Forestry Commission collaborate in implementing conservation activities at this site.