Animal Info - Preuss's Monkey
(Other Names: Mono de Preuss, Preuss's Guenon,
Preu-Bartmeerkatze)
Cercopithecus preussi (C. lhoesti preussi)
Status: Endangered
Contents
1. Profile (Picture)
2. Tidbits
3. Status and Trends (IUCN Status, Countries Where Currently Found, History of
Distribution, Threats and Reasons for Decline)
4. Data on Biology and Ecology (Weight, Habitat, Age to Maturity, Birth
Rate, Maximum Age, Diet, Behavior, Social Organization, Mortality and Survival, Density and Range)
5. References
Profile
Pictures: Preuss's Monkey #1
(7 Kb JPEG) (Bioko Biodiv. Prot. Prog.);
Preuss's Monkey #2 (juvenile
female) (173 Kb GIF) and Preuss's Monkey
#3 (infant
female in threat pose) (204 Kb GIF) (Prim.
Info Net)
Preuss's monkey is a darkish monkey with a white chin weighing up to 10 kg (22 lb).
Although sometimes found in lowland forest, it is most common in montane forest up to 2500 m (8200'). It is terrestrial and eats fruit, leaves and insects.
Troops of Preuss's monkey average 17 individuals, including 1 adult male.
Preuss's monkey is found in western Cameroon,
eastern Nigeria and on the island of Bioko
(Fernando Po) in Equatorial Guinea. It is
threatened by habitat loss and hunting.
Tidbits
*** Preuss's monkey occasionally raids crops.
Status and Trends
IUCN Status:
- 1986: Vulnerable
- 1988 - 1994: Endangered
- 1996 - 2004: Endangered (Criteria: A1cd+2cd) (Population Trend: Decreasing)
(IUCN
2004)
Countries Where Preuss's Monkey Is Currently Found:
2004: Occurs in Cameroon, Equatorial Guinea (Bioko) and Nigeria. (IUCN
2004)
History of Distribution:
Preuss's monkey is found in western Cameroon,
eastern Nigeria and on the island of Bioko
(Fernando Po) in Equatorial Guinea.
Distribution Map
(14 Kb GIF) (African Mammals
Databank 2004)
Threats and Reasons for Decline:
Threats include habitat loss and hunting.
Data on Biology and Ecology
Weight:
Preuss's monkey weighs up to 10 kg (22 lb).
Habitat:
Preuss's monkey is most common in montane forest
up to 2500 m (8200') and rare in lowland forest.
Priuss's monkey is found in the Guinean
Forests of West Africa Biodiversity Hotspot (Cons.
Intl. 2005).
Age to Maturity:
4 years.
Birth Rate:
Birth rate: 0.33 offspring/year (Fa et al.
1995).
Number of female offspring/mother/year: 0.17 (Slade
et al. 1998).
Maximum Age:
31 years.
Diet:
The diet of the Preuss's monkey consists of fruit, leaves and insects.
Behavior:
Preuss' monkey is terrestrial.
Social Organization:
Preuss's monkey is found in troops averaging 17 individuals, including one adult male.
Mortality and Survival:
Observed average probability of a Preuss's monkey surviving any one year during the
period from the age of first reproduction to the end of reproduction is 0.86 (Slade et al. 1998).
Density and Range:
Observed density: 9.9/sq km (26/sq mi) (Fa et
al. 1995).
References
African Mammals Databank
2004,
Bioko Biodiv. Prot. Prog., Burton & Pearson 1987,
Cons. Intl. 2005, Fa et al. 1995, IUCN
1994, IUCN 1996, IUCN
2000, IUCN 2003a, IUCN
2004, Macdonald 1984, Oates 1996, Prim.
Info Net, Slade
et al. 1998
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Last modified: March 14, 2005;
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