Xuan Thuy

IBA Criteria

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Black-faced Spoonbill Platalea minor EN winter 1993-2002 present A1, A4i
Chinese Egret Egretta eulophotes VU passage 2001 1-2 individuals A1
Spot-billed Pelican Pelecanus philippensis NT non-breeding 1994 5 individuals A1
Eurasian Curlew Numenius arquata NT winter 1997 900 individuals A4i
Black-tailed Godwit Limosa limosa NT passage 1996 5,000 individuals A4i
Spoon-billed Sandpiper Calidris pygmaea CR winter 1993-2002 8-27 individuals A1
Dunlin Calidris alpina LC winter 1995 1,500 individuals A4i
Asian Dowitcher Limnodromus semipalmatus NT winter 1993-2001 53-181 individuals A1, A4i
Grey-tailed Tattler Tringa brevipes NT passage 1997 1,000 individuals A4i
Spotted Redshank Tringa erythropus LC passage 1988 1,500 individuals A4i
Spotted Greenshank Tringa guttifer EN winter 1993-2000 10-28 individuals A1, A4i
Saunders's Gull Saundersilarus saundersi VU winter 1988-2002 44-100 individuals A1, A4i
A4iii Species group - waterbirds n/a passage 1996 20,000-33,000 individuals A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2008 medium unfavourable high
Was the whole site covered? Yes State assessed by Habitat
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture happening now small area/few individuals (<10%) moderate to rapid deterioration low
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) slow but significant deterioration low
Pollution agricultural & forestry effluents - type unknown/unrecorded happening now small area/few individuals (<10%) slow but significant deterioration low

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Artificial/Aquatic & Marine 13696 11300 - - unfavourable

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Platalea minor Black-faced Spoonbill 80 70 individuals 88 near favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species The conservation measures needed for the site are being comprehensively and effectively implemented high
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Xuan Thuy Natural Wetland Reserve Ramsar Site, Wetland of International Importance 12,000 is identical to site 12,000
Xuan Thuy Vườn quốc gia 7,100 protected area overlaps with site 7,100
Tien Hai Khu Bảo tồn thiên nhiên 12,500 protected area is adjacent to site 0
Red River Delta UNESCO-MAB Biosphere Reserve 105,557 protected area contains site 0

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Xuan Thuy Site Support Group 2006
For more information on BirdLife's work with Local conservation groups please click here.


IUCN Habitat Habitat detail Extent (% of site)
Forest Mangrove -
Wetlands (inland) Estuarine waters, Intertidal mud, sand or salt flats, Artificial wetlands -
Artificial/Terrestrial -
Artificial/Aquatic & Marine -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Xuan Thuy. Downloaded from on 25/05/2022.