page_title: Keo Seima Wildlife Sanctuary
section_title: Biodiversity
hierarchical_section_title: Keo Seima Wildlife Sanctuary / Biodiversity
caption_attribution_description: English: Ape hug
context_page_description: Keo Seima Wildlife Sanctuary is a 2,926.9 km² protected area in eastern Cambodia, located in Mondulkiri and Kratié provinces. The area was first established as Seima Biodiversity Conservation Area in 2002, later becoming Seima Protection Forest in 2009, finally becoming Keo Seima Wildlife Sanctuary in 2016. The site is of national, regional, and global importance for a range of biodiversity, with more than 950 species recorded within the protected area. It is also the ancestral and contemporary home of a large number of the Bunong ethnic group.
context_section_description: Mixed forest types and a range of elevation gives rise to a rich collection of biodiversity, both flora and fauna. A total of 959 plant, fungi, and animal species have been recorded in the area, the highest reported number for any Cambodian protected area. A total of 356 bird species have been recorded, exceeding the highest number recorded on eBird for any site in Cambodia and with at least 21 Picidae species, KSWS has one of the highest global diversities of any site.
  Seven primate species are found in the protected area, including the vast majority of the world's population of the black-shanked douc langur, with an estimated 23,000 individuals. The next largest population, found in Vietnam, is only 500 individuals. A total of 1,200 southern yellow-cheeked crested gibbon are found in the evergreen and semi-evergreen forest areas, including the world's only habituated groups of this species, at Jahoo Gibbon Camp.
  Significant threatened ungulate populations are present, including Eld's deer, sambar deer, banteng, and the largest living wild bovid, the gaur.
  In 2016, the tiger was acknowledged as having been driven to extinction in Cambodia, and in KSWS the last record of tiger was from 2006.
  At least 15 newly discovered species have been described from KSWS (the type locality); two mammals, two amphibians, two reptiles, and nine insects:
  Titania's woolly bat (Kerivoula titania)
  Indochinese thick-thumbed bat (Glischropus bucephalus)
  O'Reang horned frog (កង្កែបស្នែងអូររាំង, Ophryophryne synoria)
  Mouhot's litter frog (កង្កែបស្លឹកមួហួត, Leptobrachium mouhoti)
  Red-eyed green pit-viper (Trimeresurus rubeus)
  Scincella nigrofasciata, a skink species
  Cyana angkorensis, a moth species
  Naarda furcatella, a moth species
  Dichomeris hainanensis, a moth species
  Dichomeris magnimacularis, a moth species
  Thubana seimaensis, a moth species
  Promalactis apicuncata, a moth species
  Promalactis quadrilobata, a moth species
  Promalactis seimana, a moth species
  Tanna kimtaewooi, a cicada species
  A total of 75 threatened species (classified as Critically endangered, Endangered, or Vulnerable on the IUCN Red List) have been recorded as present at the site, as well as 106 CITES listed species, and 46 species listed as Endangered or Rare under Cambodian law. A total of 28 EDGE species are found within KSWS, seven species of which are in the global top 100 for their taxonomic group.
caption: An estimated 1,200 yellow-cheeked crested gibbon, Nomascus gabriellae, live in KSWS, one of the largest populations of this endangered species.
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