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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
Common Shelduck Tadorna tadorna	LC	non-breeding (2004)	present	A4i
Northern Shoveler Spatula clypeata	LC	winter (2004)	present	A4i
Oriental Stork Ciconia boyciana	EN	winter (2004)	present	A1
Black-faced Spoonbill Platalea minor	EN	winter (2004)	present	A1, A4i
Grey Heron Ardea cinerea	LC	resident (2004)	present	A4i
Great White Egret Ardea alba	LC	resident (2004)	present	A4i
Chinese Egret Egretta eulophotes	VU	non-breeding (2004)	present	A1, A4i
Dalmatian Pelican Pelecanus crispus	NT	winter (2004)	present	A1, A4i
Great Cormorant Phalacrocorax carbo	LC	non-breeding (2004)	present	A4i
Pied Avocet Recurvirostra avosetta	LC	unknown (2004)	present	A4i
Black-winged Stilt Himantopus himantopus	LC	winter (2004)	present	A4i
Grey Plover Pluvialis squatarola	VU	winter (2004)	present	A4i
Greater Sandplover Charadrius leschenaultii	LC	passage (2004)	present	A4i
Kentish Plover Charadrius alexandrinus	LC	resident (2004)	present	A4i
Black-tailed Godwit Limosa limosa	NT	winter (2004)	present	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage (2004)	present	A1, A4i
Dunlin Calidris alpina	NT	winter (2004)	present	A4i
Asian Dowitcher Limnodromus semipalmatus	NT	passage (2004)	present	A4i
Terek Sandpiper Xenus cinereus	LC	winter (2004)	present	A4i
Common Greenshank Tringa nebularia	LC	winter (2004)	present	A4i
Marsh Sandpiper Tringa stagnatilis	LC	winter (2004)	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage (2004)	present	A1, A4i
Saunders's Gull Saundersilarus saundersi	VU	winter (2004)	present	A1, A4i
Black-headed Gull Larus ridibundus	LC	non-breeding (2004)	present	A4i
Greater Spotted Eagle Clanga clanga	VU	winter (2004)	present	A1
Eastern Imperial Eagle Aquila heliaca	VU	winter (2004)	present	A1
Pleske's Grasshopper-warbler Helopsaltes pleskei	VU	winter (2004)	present	A1
Yellow Bunting Emberiza sulphurata	LC	passage (2004)	present	A1
A4iii Species group - waterbirds	n/a	unknown (2004)	min 20,000 birds	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Mipu Nature Reserve	Other (-)	-
1996	Mai Po Marshes (Inner Deep Bay)	Restricted Area (IV)	26

Habitat	% of IBA	Habitat detail
Artificial/Aquatic & Marine	major (>10)	Other artificial wetlands
Artificial/Terrestrial	major (>10)	Urban areas; Arable land; Small settlements, rural gardens; Abandoned farmland, disturbed ground
Forest	major (>10)	Mangrove forest (tropical); Lowland evergreen rain forest (tropical)
Marine Intertidal	major (>10)
Marine Neritic	major (>10)

Land use	% of IBA
water management	50
nature conservation and research	48
fisheries/aquaculture	39
tourism/recreation	10
urban/industrial/transport	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Inner Deep Bay and Shenzhen River catchment area (Hong Kong (China)). Downloaded from https://datazone.birdlife.org/site/factsheet/inner-deep-bay-and-shenzhen-river-catchment-area-iba-hong-kong-(china) on 22/12/2024.