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The site was identified as internationally important for bird conservation in 2004 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
Purple Heron Ardea purpurea	LC	resident (1998)	min 249 birds	A4i
Little Cormorant Microcarbo niger	LC	resident (1998)	500 birds	A4i
A4iii Species group - waterbirds	n/a	non-breeding (2004)	min 20,000 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2004) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high
Pollution	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1975	Thale Noi	Non Hunting Area (III)	100

Habitat	% of IBA	Habitat detail
Wetlands (inland)	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Thale Noi (Thailand). Downloaded from https://datazone.birdlife.org/site/factsheet/thale-noi-iba-thailand on 23/12/2024.