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Patas Monkey (Erythrocebus patas) Fact Sheet: Population & Conservation Status

Population Status

Abundance unknown across range (Isbell 2013)

  • Shy, cryptic, difficult to study in the wild
  • More numerous in west than in east Africa
  • Reported as the most frequently sighted mammal outside national parks in southeastern Senegal (Isbell 2013)
  • Geographic range declining in some countries (Kingdon et al. 2008)

Population trend

  • Decreasing

Introduced population, southwestern Puerto Rico (Gonzáles-Martínez 1998, 2004)

  • 1960s - 1982: western patas monkeys (from Nigeria) housed at the La Parguera Primate Facility on the islands of Cueva and Guayacan, Puerto Rico
  • 1974 - 1981: migrants began to appear on the mainland
    • Permanent populations now established
    • 40-year history of patas on the mainland
  • 1991-1993: population size range 61-127 individuals
    • Forming 4 heterosexual groups and 4-5 all-male groups


IUCN Status

  • Least Concern (2008 assessment) (Kingdon et al. 2008)
    • New IUCN assessments in review
  • Widespread and common in parts of its distribution, though at low densities (Mittermeier et al. 2013)
  • Subspecies not assessed (Mittermeier et al. 2013)
    • Currently in development (Yvonne de Jong, personal communication, 2019)

CITES Status: Appendix II (UNEP 2019)

Other Status: African Convention on the Conservation of Nature and Natural Resources, Class B (Mittermeier et al. 2013)

Management Actions

Inhabit many protected areas

  • 37 reported in 2013 (listed in Mittermeier et al. 2013)

Need continued monitoring of populations (Mittermeier et al. 2013)

Threats to Survival

Habitat loss & desertification

  • Land converted into farmland (Mittermeier et al. 2013)
  • Overgrazing by cattle (Mittermeier et al. 2013)
  • In Kenya, removal of Acacia drepanolobium for the making of charcoal (Isbell personal communication)

Hunting by humans

  • For bushmeat (Mittermeier et al. 2013)
  • In retaliation for crop raiding (Mittermeier et al. 2013)

Patas Monkey Group

Patas Monkey

Patas monkeys (Erythrocebus patas).

Image credit: © Eric Kilby. From Flickr. Some rights reserved.

Page Citations

de Jong et al. (2009)

Gonzáles-Martínez (1998)

Gonzáles-Martínez (2004)

Isbell (2013)

Kingdon et al. (2008)

Mittermeier et al. (2013)

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