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The site was identified as internationally important for bird conservation in 2007 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
Masked Finfoot Heliopais personatus	CR	non-breeding (2000)	present	A1
Lesser Adjutant Leptoptilos javanicus	NT	resident (1985–2005)	11–27 birds	A1
Milky Stork Mycteria cinerea	EN	non-breeding (2000–2005)	uncommon	A1
Chinese Egret Egretta eulophotes	VU	winter (1989–2005)	40–70 birds	A1, A4i
Greater Sandplover Charadrius leschenaultii	LC	winter (1983–1990)	3,560–4,000 birds	A4i
Charadrius mongolus	NR	winter (1988–2003)	1,100–1,200 birds	A4i
Whimbrel Numenius phaeopus	LC	winter (1983–2003)	1,650–6,500 birds	A4i
Eurasian Curlew Numenius arquata	NT	passage (1992–2003)	1,150–1,900 birds	A4i
Eurasian Curlew Numenius arquata	NT	winter (1992–2003)	925–1,000 birds	A4i
Bar-tailed Godwit Limosa lapponica	NT	winter (1992)	1,569 birds	A4i
Black-tailed Godwit Limosa limosa	NT	winter (1983)	2,617 birds	A4i
Curlew Sandpiper Calidris ferruginea	VU	winter (1983–1999)	3,400–4,000 birds	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	winter (1976–2002)	1–3 birds	A1
Terek Sandpiper Xenus cinereus	LC	winter (1983–2002)	1,000–2,363 birds	A4i
Common Greenshank Tringa nebularia	LC	winter (1992)	840 birds	A4i
Common Redshank Tringa totanus	LC	winter (2001)	2,200 birds	A4i
Spotted Greenshank Tringa guttifer	EN	winter (1986–2005)	11–28 birds	A1, A4i
White-winged Tern Chlidonias leucopterus	LC	winter (1992–2001)	1,650–2,200 birds	A4i
Common Tern Sterna hirundo	LC	winter (1990)	1,000 birds	A4i
Common Gull-billed Tern Gelochelidon nilotica	LC	winter (1990–2002)	1,100–3,000 birds	A4i
Lesser Crested Tern Thalasseus bengalensis	LC	winter (1990)	1,000 birds	A4i
A4iii Species group - waterbirds	n/a	winter (1983–2003)	23,850–39,000 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2018) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Lesser Adjutant Leptoptilos javanicus	0 / 10 (birds)	0	very poor
Greater Sandplover Charadrius leschenaultii	200 / 4,000 (birds)	5	very poor
Charadrius mongolus	1,800 / 1,200 (birds)	100	good
Whimbrel Numenius phaeopus	513 / 500 (birds)	100	good
Whimbrel Numenius phaeopus	513 / 500 (birds)	100	good
Eurasian Curlew Numenius arquata	4,985 / 400 (birds)	100	good
Bar-tailed Godwit Limosa lapponica	33 / 1,569 (birds)	3	very poor
Black-tailed Godwit Limosa limosa	0 / 2,617 (birds)	0	very poor
Spoon-billed Sandpiper Calidris pygmaea	0 / 1 (birds)	0	very poor

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Intertidal	moderate (70–90%)	moderate (70–90%)	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happe­ning now	most of popul­ation/area (50–90%)	rapid decline (>30% over 3 gener­ations)	very high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Most of area (50–90%) covered (including the most critical parts for important bird species)	A management plan exists, but it is out of date or not compre­hensive	The conservation measures needed for the site are being compre­hensively and effectively implemented	medium

Year	Protected Area	Designation (management category)	% coverage of IBA
1989	Kuala Selangor	Nature Park (II)	1

Habitat	% of IBA	Habitat detail
Forest	major (>10)	Mangrove forest (tropical)
Marine Intertidal	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: North-central Selangor coast (Malaysia). Downloaded from https://datazone.birdlife.org/site/factsheet/north-central-selangor-coast-iba-malaysia on 22/12/2024.