Cercopithecus preussi ssp. insularis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Cercopithecus preussi ssp. insularis
Species Authority: Thomas, 1910
Parent Species:
Common Name(s):
English Bioko Preuss’s Monkey, Bioko Preuss' Guenon, Bioko Preuss' Monkey, Fernando Po Preuss's Monkey

Assessment Information [top]

Red List Category & Criteria: Endangered A2cd; B1ab(iii,v) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Hoffmann, M.
Reviewer(s): Mittermeier, R.A. & Rylands, A.B. (Primate Red List Authority)
Listed as Endangered as this subspecies underwent a recorded decline well exceeding 50% between the period 1986 and 2006, mainly as a result of hunting, on the island of Bioko (which is within a period of three generations in the past). The current range of the species is also well less than 1000 km², fragmented, and there is ongoing decline in both habitat and numbers of mature individuals.
2000 Endangered
1996 Endangered

Geographic Range [top]

Equatorial Guinea (Bioko)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Terrestrial

Citation: Hoffmann, M. 2008. Cercopithecus preussi ssp. insularis. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 September 2015.
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