| Species |
Season |
Period |
Population estimate |
Quality of estimate |
IBA Criteria |
IUCN Category |
| Mute Swan Cygnus olor |
passage |
1990-2006 |
800-1,200 individuals |
good |
C3 |
Least Concern |
| Whooper Swan Cygnus cygnus |
winter |
1990-2006 |
220-300 individuals |
good |
C2, C6 |
Least Concern |
| Ferruginous Duck Aythya nyroca |
passage |
1990-2006 |
100-200 individuals |
good |
C1 |
Near Threatened |
| Common Goldeneye Bucephala clangula |
winter |
1990-2006 |
250-350 individuals |
good |
C3 |
Least Concern |
| Smew Mergellus albellus |
winter |
1990-2006 |
20-150 individuals |
good |
C2, C6 |
Least Concern |
| Smew Mergellus albellus |
passage |
1990-2006 |
100-200 individuals |
good |
C2 |
Least Concern |
| Common Merganser Mergus merganser |
winter |
1990-2006 |
210-380 individuals |
good |
C3 |
Least Concern |
| Pygmy Cormorant Phalacrocorax pygmeus |
passage |
1990-2006 |
150-300 individuals |
good |
C2 |
Least Concern |
| Great Cormorant Phalacrocorax carbo |
winter |
1990-2006 |
3,000-5,000 individuals |
good |
C3 |
Least Concern |
| Western Marsh-harrier Circus aeruginosus |
breeding |
1990-2006 |
7-10 breeding pairs |
good |
C6 |
Least Concern |
| Common Crane Grus grus |
passage |
1990-2006 |
25-80 individuals |
good |
C6 |
Least Concern |
| Spotted Redshank Tringa erythropus |
passage |
1990-2006 |
1,000-2,000 individuals |
good |
C3 |
Least Concern |
| Wood Sandpiper Tringa glareola |
passage |
1990-2006 |
1,000-1,500 individuals |
good |
C6 |
Least Concern |
| Ruff Philomachus pugnax |
passage |
1990-2006 |
5,000-8,000 individuals |
good |
C6 |
Least Concern |
| Black-headed Gull Larus ridibundus |
passage |
1990-2006 |
15,000-25,000 individuals |
good |
C3 |
Least Concern |
| Common Tern Sterna hirundo |
breeding |
1990-2006 |
80-100 breeding pairs |
good |
C6 |
Least Concern |
| A4iii Species group - waterbirds |
winter |
1990-2006 |
25,000-50,000 individuals |
good |
C4 |
|
| A4iii Species group - waterbirds |
passage |
1990-2006 |
80,000-110,000 individuals |
good |
C4 |
|
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