The site was identified as internationally important for bird conservation in 2006 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
Whooper Swan Cygnus cygnus |
LC |
breeding (2003–2005) |
200–1,000 breeding pairs |
A4i |
Greylag Goose Anser anser |
LC |
breeding (2003–2005) |
500–1,500 breeding pairs |
A4i |
Red-crested Pochard Netta rufina |
LC |
breeding (2003–2005) |
500–1,000 breeding pairs |
A4i |
Common Pochard Aythya ferina |
VU |
breeding (2003–2005) |
7,000–13,000 breeding pairs |
A4i |
Garganey Spatula querquedula |
LC |
breeding (2003–2005) |
5,000–13,000 breeding pairs |
A4i |
Northern Shoveler Spatula clypeata |
LC |
breeding (2003–2005) |
3,000–11,000 breeding pairs |
A4i |
Gadwall Mareca strepera |
LC |
breeding (2003–2005) |
4,000–10,000 breeding pairs |
A4i |
Red-necked Grebe Podiceps grisegena |
LC |
breeding (2003–2005) |
2,000–6,000 breeding pairs |
A4i |
Black-necked Grebe Podiceps nigricollis |
LC |
breeding (2003–2005) |
4,000–10,000 breeding pairs |
A4i |
Corncrake Crex crex |
LC |
breeding (2003) |
40–50 breeding pairs |
A1 |
Dalmatian Pelican Pelecanus crispus |
NT |
breeding (2003–2005) |
160–180 breeding pairs |
A1, A4i |
Black-tailed Godwit Limosa limosa |
NT |
breeding (2003–2005) |
800–2,000 breeding pairs |
A4i |
Lesser Black-backed Gull Larus fuscus |
LC |
breeding (2003–2005) |
3,000–5,000 breeding pairs |
A4i |
White-winged Tern Chlidonias leucopterus |
LC |
breeding (2003–2005) |
3,000–10,000 breeding pairs |
A4i |
Black Tern Chlidonias niger |
LC |
breeding (2003–2005) |
2,000–8,000 breeding pairs |
A4i |
Red-footed Falcon Falco vespertinus |
VU |
breeding (2000) |
25–40 breeding pairs |
A1 |
A4iii Species group - waterbirds |
n/a |
breeding (2005) |
53,610–90,980 breeding pairs |
A4iii |