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Location Thailand, Buri Ram
Central coordinates 103o 5.00' East  14o 38.00' North
IBA criteria A4i
Area 570 ha
Altitude 160 - 161m
Year of IBA assessment 2004

Bird Conservation Society of Thailand

Site description The IBA comprises Sanambin Non-hunting Area, a perennial reservoir, created in 1975, and consisting of 200 ha of open water surrounded by marshes. The reservoir is an important local fishery and provides a water supply for Pha Khon Chai district. The reservoir is fed by several small streams, and the main outflow is via irrigation and municipal water supply canals. Water depth generally averages 2 to 3 m. A causeway divides the site into two parts. The dominant aquatic vegetation fringing the open water includes Nymphoides indicum, N. lotus and Salvinia cucullata, while the dominant vegetation in the marshes around the reservoir includes Scirpus grossus, S. mucronatus and Eleocharis dulcis. Surrounding areas support rice paddies, grazing land and patches of deciduous dipterocarp woodland.

Key Biodiversity Sanambin Non-hunting Area is an important wintering site for waterbirds, particularly herons and egrets. Each year, the site supports a significant number of waterfowl, including over 1% of the Asian biogeographic populations of Great Egret Casmerodius albus and Intermediate Egret Mesophoyx intermedia. Two globally threatened species have been recorded at the site, although not in significant numbers: Baer's Pochard Aythya baeri and Spot-billed Pelican Pelecanus philippensis. In addition, the globally near-threatened Painted Stork Mycteria leucocephala was recorded in 1999 and 2004 but, again, the site does not regularly support significant numbers. The site is also one of the only localities in Thailand where Comb Duck Sarkidiornis melanotos, a nationally threatened species, regularly occurs. Northern Pintail Anas acuta and Garganey A. querquedula are present, sometimes in thousands. Moreover, the site supports substantial wintering roosts of Barn Swallow Hirundo rustica; in January 2004, over 10,000 birds were counted roosting at the site.

Non-bird biodiversity: No information is available about other globally threatened species at the site.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Mesophoyx intermedia winter  1997-2004  2,623-3,300 individuals  good  A4i  Not Recognised 
Great White Egret Ardea alba winter  1997-2004  1,450-2,470 individuals  good  A4i  Least Concern 

IBA Monitoring

2007 medium favourable medium

Invasive & other problematic species, genes & diseases invasive non-native/alien species/diseases - unspecified species happening now some of area/population (10-49%) slow but significant deterioration medium

Artificial - terrestrial   0 0 good (> 90%) good (> 90%) favourable

Whole area of site (>90%) covered by appropriate conservation designation  A management plan exists but it is out of date or not comprehensive  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  medium 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ang Kep Nam Sanambin No or Non Hunting Area 570 is identical to site 570  


IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   -
Forest   -
Wetlands (inland)   -

References Bird Conservation Society of Thailand (2002) Report of the mid-winter waterfowl census at Sanambin Non-hunting Area in 2002. Unpublished report. BirdLife International (2001) Threatened birds of Asia: the BirdLife International Red Data Book. Cambridge, UK: BirdLife International. Suntraraporn, T. (2004) Report of the mid-winter waterfowl census at Sanambin Non-hunting Area in 2004. Unpublished report to Bird Conservation Society of Thailand. Wolstencroft, J., Parr, J. W. K. and Goodey, M. (1993) A survey of wetlands in north-east Thailand. Kuala Lumpur: Asian Wetland Bureau.

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

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