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The site was identified as important in 2016 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
Common Eider Somateria mollissima	NT	non-breeding	2011-2015	96 individuals	C1
Velvet Scoter Melanitta fusca	VU	non-breeding	2011-2015	65-124 individuals	A1, C1
Common Scoter Melanitta nigra	LC	non-breeding	2011-2015	41,369-57,800 individuals	A4i, B1i, C3
Grey Plover Pluvialis squatarola	VU	non-breeding	2011-2015	2,517-3,642 individuals	B1i, C3
Bar-tailed Godwit Limosa lapponica	NT	non-breeding	2011-2015	4,465-5,125 individuals	C6
Sanderling Calidris alba	LC	non-breeding	2011-2015	4,552-5,305 individuals	B1i, C3
Dunlin Calidris alpina	NT	non-breeding	2011-2015	20,097-43,273 individuals	B1i, C3
Mew Gull Larus canus	LC	non-breeding	2011-2015	30,740 individuals	B1i, C3
European Herring Gull Larus argentatus	LC	non-breeding	2011-2015	24,706-39,800 individuals	A4i, B1i, C3
Great Black-backed Gull Larus marinus	LC	non-breeding	2011-2015	4,185-4,983 individuals	B1i, C3
A4iii Species group - waterbirds	n/a	non-breeding	2011-2015	74,506-81,925 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2016) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2016. The most recent assessment (2017) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Common Eider Somateria mollissima	26,200	96	individuals	1	very unfavourable
Melanitta nigra	51,900	41,369	individuals	80	near favourable
Common Shelduck Tadorna tadorna	520	291	individuals	56	unfavourable
Eurasian Oystercatcher Haematopus ostralegus	3,300	3,153	individuals	96	favourable
Pied Avocet Recurvirostra avosetta	120	75	individuals	63	unfavourable
Grey Plover Pluvialis squatarola	3,200	2,517	individuals	79	near favourable
Common Ringed Plover Charadrius hiaticula	20	5	breeding pairs	25	very unfavourable
Charadrius alexandrinus	30	0	breeding pairs	0	very unfavourable
Eurasian Curlew Numenius arquata	640	1,302	individuals	100	favourable
Bar-tailed Godwit Limosa lapponica	1,800	4,465	individuals	100	favourable
Ruddy Turnstone Arenaria interpres	160	243	individuals	100	favourable
Red Knot Calidris canutus	560	6,890	individuals	100	favourable
Sanderling Calidris alba	2,000	4,552	individuals	100	favourable
Dunlin Calidris alpina	7,400	20,097	individuals	100	favourable
Little Tern Sternula albifrons	20	17	breeding pairs	85	near favourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Unknown	medium

Year	Protected Area	Designation	% overlap with IBA
-	Noordzeekustzone II - NL2008004	Site of Community Importance (Habitats Directive)	98
1989	Schiermonnikoog	Nationaal Park	1
2000	North Sea Coastal Area	Ramsar Site, Wetland of International Importance	100
2002	Duinen van Texel	Nationaal Park	<1
2004	Noordzeekustzone	Site of Community Importance (Habitats Directive)	100
2005	Noordzeekustzone	Special Protection Area (Birds Directive)	100
2009	Noordzeekustzone	Marine Protected Area (OSPAR)	98
2010	Noordzeekustzone	Natuurbeschermingswet	100

Habitat1	Habitat detail	% of IBA
Marine Neritic		100

1. IUCN Habitat classification.

Land use	% of IBA
fisheries/aquaculture	100
tourism/recreation	20
urban/industrial/transport	20

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Wadden Coast (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/wadden-coast-iba-netherlands on 22/11/2024.