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The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2008) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Black-faced Spoonbill Platalea minor	70 / 80 (birds)	88	moderate

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Artificial/Aquatic & Marine	-	-	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Agricultural expansion and intensification	happe­ning now	few indivi­duals/small area (<10%)	moderate decline (10–30% over 3 gener­ations)	low
Human intrusions and disturbance	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low
Pollution	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>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

Year	Protected Area	Designation (management category)	% coverage of IBA
2003	Xuan Thuy	Vườn quốc gia (II)	59
2004	Red River Delta	UNESCO-MAB Biosphere Reserve (UA)	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Xuan Thuy Site Support Group	2006

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

Habitat	% of IBA	Habitat detail
Artificial/Aquatic & Marine	major (>10)	Other artificial wetlands
Artificial/Terrestrial	major (>10)	Arable land; Small settlements, rural gardens; Forestry and agro-industrial plantations
Forest	major (>10)	Mangrove forest (tropical)
Marine Intertidal	major (>10)
Marine Neritic	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Xuan Thuy (Vietnam). Downloaded from https://datazone.birdlife.org/site/factsheet/xuan-thuy-iba-vietnam on 22/12/2024.