Mandrillus leucophaeus (F. Curvier, 1807)
Distribution: SE Nigeria; Cameroon, north of the Sanaga River and just south of it; Bioko (Equatorial Guinea).
Status: CITES - Appendix I; U.S., ESA and IUCN - Endangered.
File: JPEG (85K); Photo: Jim Henley, Ph.D., ZooNet; Location: Zoo Atlanta, Georgia

Mandrillus sphinx (Linnaeus, 1758)
Distribution: Cameroon, south of the Sanaga River; Rio Muni (Equatorial Guinea); Gabon; Congo Republic..
Status: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Vulnerable.
File: JPEG (29K); Photo: Carol Lofton, Distinctive Images