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Location Vietnam, Dac Lac
Central coordinates 107o 40.00' East  12o 54.00' North
IBA criteria A1
Area 58,200 ha
Altitude 200 - 482m
Year of IBA assessment 2002

BirdLife Indochina Programme (BirdLife Direct Action Programme)

Site description The IBA boundary follows that of the original Yok Don National Park, and does not include the recent extensions that were approved in 2001. Yok Don is situated on the low plateau that covers northern Dak Lak and southern Gia Lai provinces in the Central Highlands. The topography of most of the site is flat, at an elevation of around 200 m. Mount Yok Don is the highest point in the IBA. The Srepok river is the only permanent flowing watercourse at the site. Almost 100% of the site area is under forest cover. The majority of the forest is dry dipterocarp forest, with smaller areas of semi-deciduous and evergreen forest. The canopy of the dry dipterocarp forest is open, and the trees have thick, fire-resistant bark.

Key Biodiversity Yok Don is one of the few established protected areas in Vietnam to support a significant population of the globally threatened Green Peafowl Pavo muticus.

Non-bird biodiversity: Brickle et al. (1998) recorded two threatened primate species at Yok Don: Rhesus Macaque Macaca mulatta and Stump-tailed Macaque Macaca arctoides. The latter species was also recorded by Eames and Nguyen Tu (in prep.). 'Silvered' Leaf Monkey Trachypithecus villosus has also been recorded at the site (Le Xuan Canh et al. 1997).Duckworth and Hedges (1998) report the occurrence of Asian Elephant Elephas maximus, Gaur Bos gaurus and Banteng B. javanicus at Yok Don.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Green Peafowl Pavo muticus resident  1998  present  A1  Endangered 
Siamese Fireback Lophura diardi resident  2002  present  A1  Least Concern 
White-winged Duck Asarcornis scutulata unknown  2002  present  A1  Endangered 
Lesser Adjutant Leptoptilos javanicus resident  1997  present  A1  Vulnerable 
Giant Ibis Thaumatibis gigantea unknown  2002  present  A1  Critically Endangered 
Oriental Darter Anhinga melanogaster non-breeding  2002  present  A1  Near Threatened 
White-rumped Pygmy-falcon Polihierax insignis resident  1997  present  A1  Near Threatened 
Red-headed Vulture Sarcogyps calvus resident  1997  present  A1  Critically Endangered 
White-rumped Vulture Gyps bengalensis non-breeding  2002  present  A1  Critically Endangered 
Lesser Fish-eagle Icthyophaga humilis resident  2002  present  A1  Near Threatened 
Grey-headed Fish-eagle Icthyophaga ichthyaetus resident  2002  present  A1  Near Threatened 
Masked Finfoot Heliopais personatus resident  1997  present  A1  Endangered 
Great Hornbill Buceros bicornis resident  1997  present  A1  Near Threatened 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Yok Don National Park 115,545 protected area contains site 58,200  


IUCN habitat Habitat detail Extent (% of site)
Forest Dry deciduous forest (tropical); Moist deciduous forest (tropical)  100%
Wetlands (inland)   -

Land use

Land-use Extent (% of site)
nature conservation and research 100%

Protection status Although precise information is not available, it appears that Yok Don National Park was first decreed as a nature reserve in 1977. Subsequently, the establishment of a 40,000 ha nature reserve called Tieu Teo Easup was decreed in 1986. It appears that the protected area was intended to have two sectors: one in Chu Prong district, in what is now Gia Lai province, and one in Easup district, Dak Lak province. However, protected areas were never established in these two sites. The decision to establish Tieu Teo Easup Nature Reserve was later used as the basis for establishing Yok Don Nature Reserve in Buon Don district, Dak Lak province. An investment plan to upgrade Yok Don Nature Reserve to National Park status was approved in 1991. The area of the national park given in this decree was 58,200 ha. In 1998, FIPI prepared a revised investment plan for Yok Don National Park. This investment plan proposed expanding the national park by 57,345 ha, to a total area of 115,545 ha. This investment plan has been approved by Dak Lak PPC, and was also approved by MARD in September 2001.

Further web sources of information 

Site account from Directory of Important Bird Areas in Vietnam: key sites for conservation (Tordoff 2002)

References BirdLife International and the Forest Inventory and Planning Institute (2001) Sourcebook of existing and proposed protected areas in Vietnam. Hanoi, Vietnam: BirdLife International Vietnam Programme and the Forest Inventory and Planning Institute.Brickle, N. W., Nguyen Cu, Ha Quy Quynh, Nguyen Thai Tu Cuong and Hoang Van San (1998) the status and distribution of Green Peafowl Pavo muticus in Dak Lak province, Vietnam. Hanoi: BirdLife International Vietnam Programme.Duckworth, J. W. and Hedges, S. (1998) Tracking tigers: a review of the status of Tiger, Asian Elephant, Gaur and Banteng in Vietnam, Lao, Cambodia and Yunnan province (China) with recommendations for future conservation action. Hanoi: WWF Indochina Programme.Le Xuan Canh, Pham Trong Anh, Duckworth, J.W., Vu Ngoc Thanh and Vuthy, L. (1997) A survey of large mammals in Dak Lak province, Vietnam. WWF/ IUCN, Hanoi.Eames, J.C., and Nguyen Duc Tu. in prep. An interim biodiversity report for Yok Don National Park, Dak Lak Province, Vietnam. Hanoi, PARC Project, Yok Don component.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Yok Don. Downloaded from on 25/10/2016

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