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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 (1995–2000)	12–23 birds	A1, A4i
Chinese Egret Egretta eulophotes	VU	passage (1996)	1 birds	A1
Spoon-billed Sandpiper Calidris pygmaea	CR	winter (2001)	1 birds	A1
Saunders's Gull Saundersilarus saundersi	VU	winter (1995–2001)	77–147 birds	A1, A4i

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' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	-	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Agricultural expansion and intensification	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Little/none of area covered (<10%)	No management planning has taken place	Very little or no conservation action taking place	very low

Year	Protected Area	Designation (management category)	% coverage of IBA
2004	Red River Delta	UNESCO-MAB Biosphere Reserve (UA)	34

Habitat	% of IBA	Habitat detail
Marine Intertidal	40
Marine Neritic	37
Forest	22	Mangrove forest (tropical)
Artificial/Aquatic & Marine	1	Other artificial wetlands

Land use	% of IBA
fisheries/aquaculture	90
unknown	10

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