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The site was identified as important in 2009 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 List1	Season	Year(s)	Size	IBA criteria
Swan Goose Anser cygnoid	EN	winter	1991	200 individuals	A1
Lesser White-fronted Goose Anser erythropus	VU	winter	1991	200 individuals	A1
Baer's Pochard Aythya baeri	CR	winter	2003	present	A1
Baikal Teal Sibirionetta formosa	LC	passage	2003	present	A1
White-naped Crane Grus vipio	VU	passage	2003	present	A1
Hooded Crane Grus monacha	VU	winter	2003	present	A1, A4i
Oriental Stork Ciconia boyciana	EN	winter	2003	present	A1, A4i
Black-faced Spoonbill Platalea minor	EN	passage	2003	present	A1
Grey Plover Pluvialis squatarola	VU	winter	2003	present	A4i
Little Ringed Plover Charadrius dubius	LC	breeding	2003	present	A4i
Kentish Plover Charadrius alexandrinus	LC	resident	2003	present	A4i
Far Eastern Curlew Numenius madagascariensis	EN	winter	2003	present	A4i
Great Knot Calidris tenuirostris	EN	passage	2003	present	A4i
Sharp-tailed Sandpiper Calidris acuminata	VU	passage	2003	present	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage	2003	present	A1, A4i
Dunlin Calidris alpina	NT	winter	2003	present	A4i
Spotted Redshank Tringa erythropus	LC	passage	2003	present	A4i
Common Greenshank Tringa nebularia	LC	winter	2003	present	A4i
Marsh Sandpiper Tringa stagnatilis	LC	unknown	2003	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2003	present	A1
Saunders's Gull Saundersilarus saundersi	VU	winter	2003	present	A1
Marsh Grassbird Helopsaltes pryeri	NT	breeding	2005	present	A1
A4iii Species group - waterbirds	n/a	unknown	2003	min 20,000 individuals	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

Year	Protected Area	Designation	% overlap with IBA
2002	Chongming Dongtan Nature Reserve, Shanghai	Ramsar Site, Wetland of International Importance	100
2002	Changjiangkouzhonghuaxun	Nature Reserve	85

Habitat1	Habitat detail	% of IBA
Marine Intertidal		75
Artificial/Terrestrial		major (>10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Chongming Dongtan Nature Reserve (China (mainland)). Downloaded from https://datazone.birdlife.org/site/factsheet/chongming-dongtan-nature-reserve-iba-china-(mainland) on 22/11/2024.