Species |
Current IUCN Red List Category |
Season |
Year(s) of estimate |
Population estimate |
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: This table presents the IBA criteria triggered and the species that triggered then at the time of
assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
Protected Area |
Designation |
Area (ha) |
Relationship with IBA |
Overlap 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 habitat classification please click
For further information about the land use classification please click