The site was identified as important in 1994 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List1 |
Season |
Year(s) |
Size |
IBA criteria |
Common Goldeneye Bucephala clangula |
LC |
winter |
1970-1977 |
813 individuals |
B1i |
Red-crested Pochard Netta rufina |
LC |
winter |
1970-1977 |
2,385 individuals |
B1i |
Tufted Duck Aythya fuligula |
LC |
winter |
1970-1977 |
39,900 individuals |
A4i, B1i |
Northern Shoveler Spatula clypeata |
LC |
winter |
1970-1977 |
4,350 individuals |
A4i, B1i |
Gadwall Mareca strepera |
LC |
winter |
1970-1977 |
3,250 individuals |
A4i, B1i |
Eurasian Wigeon Mareca penelope |
LC |
winter |
1970-1977 |
12,900 individuals |
A4i, B1i |
Mallard Anas platyrhynchos |
LC |
winter |
1970-1977 |
170,000 individuals |
A4i, B1i |
Common Teal Anas crecca |
LC |
winter |
1970-1977 |
171,000 individuals |
A4i, B1i |
Great Crested Grebe Podiceps cristatus |
LC |
winter |
1970-1977 |
8,875 individuals |
A4i, B1i |
Black-necked Grebe Podiceps nigricollis |
LC |
winter |
1970-1977 |
760 individuals |
A4i, B1i |
Red-throated Loon Gavia stellata |
LC |
winter |
1977 |
2 individuals |
A4i, B1i |
Dalmatian Pelican Pelecanus crispus |
NT |
winter |
1970-1977 |
83 individuals |
A1, A4i, B1i |
Great Cormorant Phalacrocorax carbo |
LC |
winter |
1970-1977 |
3,500 individuals |
A4i, B1i |
Kentish Plover Charadrius alexandrinus |
LC |
passage |
1977 |
340 individuals |
B1i |
Whimbrel Numenius phaeopus |
LC |
passage |
1977 |
310 individuals |
B1i |
Ruddy Turnstone Arenaria interpres |
NT |
passage |
1977 |
275 individuals |
B1i |
Sanderling Calidris alba |
LC |
passage |
1977 |
2,070 individuals |
A4i, B1i |
Little Gull Hydrocoloeus minutus |
LC |
winter |
1970-1977 |
700 individuals |
B1i |
Black-headed Gull Larus ridibundus |
LC |
winter |
1970-1977 |
7,600 individuals |
A4i, B1i |
Mew Gull Larus canus |
LC |
winter |
1970-1977 |
960 individuals |
B1i |
Little Tern Sternula albifrons |
LC |
passage |
1977 |
1,100 individuals |
A4i, B1i |
White-tailed Sea-eagle Haliaeetus albicilla |
LC |
resident |
1977 |
common |
A1, B2 |
A4iii Species group - waterbirds |
n/a |
winter |
1970-1977 |
100,000-499,999 individuals |
A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (1994) may differ.
1.