The Gibbons pp 387-408 | Cite as

Status and Conservation of Yellow-Cheeked Crested Gibbons (Nomascus gabriellae) in the Seima Biodiversity Conservation Area, Mondulkiri Province, Cambodia

  • Benjamin Miles Rawson
  • Tom Clements
  • Nut Meng Hor
Part of the Developments in Primatology: Progress and Prospects book series (DIPR)


The yellow-cheeked crested gibbon (Nomascus gabriellae) occurs east of the Mekong River in southern Vietnam, northeastern Cambodia, and possibly southernmost Lao PDR (2000, Nomad RSI unpubl. data). The northern distributional limit is unclear as it either borders or intergrades with the southern white-cheeked crested gibbon, N. siki (Duckworth et al. 1995, 1999; Geissmann et al. 2000; Konrad 2004). N. gabriellae is currently listed as Endangered in the IUCN Red List of Threatened Species (IUCN 2008).

Little behavioral or ecological work was conducted on the species until recent years; however, a picture of the species is beginning to emerge with current studies, particularly in the SBCA (Rawson 2004) and Ratanakiri province, Cambodia (Traeholt et al. 2006), and Cat Tien National Park (NP) in Vietnam (M. Kenyon pers. comm.). It appears that N. gabriellae generally prefers undisturbed evergreen forest with a reasonably high canopy (Nguyen Xuan Dang and Osborn 2004; Traeholt...


Evergreen Forest Calling Probability Hunting Pressure Bamboo Forest Listening Post 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research was a collaborative effort by the Australian National University and the Wildlife Conservation Society – Cambodia Program. It was funded by the Great Ape Conservation Fund of United States Fish and Wildlife Service, Primate Conservation Inc, Conservation International’s Primate Action Fund, American Society of Primatologists, and the Wildlife Conservation Society. We would like to thank Adam Seward, An Dara, Sok Ko, Chea Chhen, Chhuon Serivath, Kriet Chheun, and Den Ambonh and Wa Nee for their excellent contributions to data collection, and Colin Poole, Colin Groves, Joe Walston, Tom Evans, and Men Soriyun for their support. Samantha Strindberg gave valuable advice on the statistical analyses presented. William Duckworth and Joe Walston gave useful comments on an earlier draft of this paper.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Benjamin Miles Rawson
    • 1
  • Tom Clements
    • 2
  • Nut Meng Hor
    • 3
  1. 1.School of Archaeology and Anthropology, Australian National UniversityCanberraAustralia
  2. 2.Wildlife Conservation Society (WCS) Cambodia ProgramPhnom Penh
  3. 3.Wildlife Conservation Society and Forestry Administration, Norodom BoulevardPhnom PenhCambodia

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