Species |
Current IUCN Red List Category |
Season |
Year(s) of estimate |
Population at site |
IBA criteria triggered |
Brent Goose Branta bernicla |
LC |
non-breeding |
1986-1990 |
30,423 individuals |
A4i, B1i, C3 |
Barnacle Goose Branta leucopsis |
LC |
winter |
1988-1990 |
35,636 individuals |
A4i, B1i, B2, C2, C6 |
Common Shelduck Tadorna tadorna |
LC |
non-breeding |
1988-1990 |
14,545 individuals |
A4i, B1i, C3 |
Eurasian Wigeon Mareca penelope |
LC |
winter |
1986-1990 |
18,984 individuals |
A4i, B1i, C3 |
Haematopus ostralegus |
NR |
non-breeding |
1988-1990 |
41,373 individuals |
A4i, B1i, C3 |
Pied Avocet Recurvirostra avosetta |
LC |
non-breeding |
1985-1990 |
4,618 individuals |
A4i, B1i, C2, C6 |
Pied Avocet Recurvirostra avosetta |
LC |
breeding |
1991-1993 |
2,241 breeding pairs |
A4i, B1i, B3, C2, C6 |
Grey Plover Pluvialis squatarola |
LC |
non-breeding |
1986-1990 |
6,616 individuals |
A4i, B1i, C3 |
Eurasian Curlew Numenius arquata |
NT |
non-breeding |
1987-1990 |
24,764 individuals |
A4i, B1i, C3 |
Eurasian Curlew Numenius arquata |
NT |
winter |
1986-1990 |
15,054 individuals |
A4i, B1i, B2, C3 |
Bar-tailed Godwit Limosa lapponica |
NT |
passage |
1988-1990 |
14,521 individuals |
A4i, B1i, C2, C6 |
Dunlin Calidris alpina |
LC |
non-breeding |
1986-1990 |
42,094 individuals |
A4i, B1i, C3 |
Dunlin Calidris alpina |
LC |
winter |
1986-1990 |
9,161 individuals |
B2 |
Spotted Redshank Tringa erythropus |
LC |
non-breeding |
1988-1990 |
729 individuals |
A4i, B1i, C3 |
Common Redshank Tringa totanus |
LC |
non-breeding |
1988-1990 |
5,653 individuals |
A4i, B1i, C3 |
A4iii Species group - waterbirds |
n/a |
non-breeding |
1990 |
100,000-499,999 individuals |
A4iii, C4 |
A4iii Species group - waterbirds |
n/a |
winter |
1990 |
50,000-99,999 individuals |
A4iii, C4 |
Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.
Protected area (PA) |
PA designation |
PA area (ha) |
Relationship of PA with IBA |
Overlap of PA with IBA (ha) |
Waddenzee I |
Natural Monument |
125,000 |
protected area overlaps with site |
2,270 |
Waddenzee (Wadden Sea) |
Ramsar Site, Wetland of International Importance |
249,998 |
protected area overlaps with site |
8,360 |
Waddenzee
|
Special Protection Area (Birds Directive) |
271,771 |
protected area contains site |
9,310 |
Waddenzee
|
Natuurbeschermingswet |
271,771 |
protected area contains site |
0 |
Waddenzee
|
Site of Community Importance (Habitats Directive) |
264,858 |
protected area contains site |
9,310 |
Waddensea Area
|
UNESCO-MAB Biosphere Reserve |
260,000 |
protected area overlaps with site |
0 |
Wadden Sea
|
Ramsar Site, Wetland of International Importance |
249,998 |
protected area contains site |
0 |
The Wadden Sea
|
World Heritage Site (natural or mixed) |
1,143,403 |
protected area contains site |
9,310 |
Noord-Friesland buitendijks II |
Natural Monument |
700 |
protected area contained by site |
700 |
Noord-Friesland buitendijks |
Natural Monument |
4,800 |
protected area contained by site |
4,800 |
Noord Friesland buitendijks |
Nature Reserve |
940 |
protected area contained by site |
940 |
Kwelder langs de noordkust van Friesland |
Natural Monument |
670 |
protected area contained by site |
670 |
For further information about the IUCN habitat classification, please click
For further information about the land-use classification, please click