Bioko drill

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Bioko drill[1]
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Cercopithecidae
Genus: Mandrillus
M. l. poensis
Trinomial name
Mandrillus leucophaeus poensis
Zukowsky, 1922

The Bioko drill (Mandrillus leucophaeus poensis) is a subspecies of the endangered drill living on the island of Bioko in Equatorial Guinea. It is distinguished by a brownish yellow crown with a black tip. It is otherwise like the mainland drill.


  1. ^ Groves, C.P. (2005). Wilson, D.E.; Reeder, D.M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. p. 165. ISBN 0-801-88221-4. OCLC 62265494.
  2. ^ Oates, J. F. & Butynski, T. M. (2008). "Mandrillus leucophaeus ssp. poensis". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 4 January 2009.