The site was identified as important in 2000 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 Pochard Aythya ferina |
VU |
winter |
1997 |
540-5,137 individuals |
B1i, C3 |
Common Pochard Aythya ferina |
VU |
passage |
1997 |
1,000-4,000 individuals |
B1i, C3 |
Northern Shoveler Spatula clypeata |
LC |
winter |
1997 |
259-1,427 individuals |
B1i, C3 |
Northern Shoveler Spatula clypeata |
LC |
passage |
1997 |
600 individuals |
B1i, C3 |
Gadwall Mareca strepera |
LC |
winter |
1997 |
33-818 individuals |
B1i, C3 |
Gadwall Mareca strepera |
LC |
passage |
1997 |
100-300 individuals |
B1i, C3 |
European Nightjar Caprimulgus europaeus |
LC |
breeding |
1991 |
15-25 breeding pairs |
C6 |
Common Crane Grus grus |
LC |
passage |
1997 |
500-5,000 individuals |
A4i, B1i, C2 |
Eurasian Bittern Botaurus stellaris |
LC |
breeding |
1997 |
30-35 breeding pairs |
B2, C2, C6 |
Common Little Bittern Ixobrychus minutus |
LC |
breeding |
1995 |
8-12 breeding pairs |
C6 |
Black-crowned Night Heron Nycticorax nycticorax |
LC |
breeding |
1994 |
35-45 breeding pairs |
C6 |
Purple Heron Ardea purpurea |
LC |
breeding |
1994 |
150 breeding pairs |
C2, C6 |
Little Egret Egretta garzetta |
LC |
breeding |
1997 |
15-20 breeding pairs |
C6 |
Eurasian Thick-knee Burhinus oedicnemus |
LC |
breeding |
1991 |
10-15 breeding pairs |
C6 |
Black-winged Stilt Himantopus himantopus |
LC |
breeding |
1995 |
6-7 breeding pairs |
C6 |
Whiskered Tern Chlidonias hybrida |
LC |
breeding |
1996 |
650-670 breeding pairs |
A4i, B1i, B2, C2, C6 |
Whiskered Tern Chlidonias hybrida |
LC |
passage |
1996 |
1,000 individuals |
A4i, B1i, C2 |
Black Tern Chlidonias niger |
LC |
breeding |
1996 |
7-8 breeding pairs |
C6 |
European Honey-buzzard Pernis apivorus |
LC |
breeding |
1991 |
8-15 breeding pairs |
C6 |
Western Marsh-harrier Circus aeruginosus |
LC |
breeding |
1991 |
55-60 breeding pairs |
C6 |
Black Kite Milvus migrans |
LC |
breeding |
1991 |
15-20 breeding pairs |
C6 |
Common Kingfisher Alcedo atthis |
LC |
breeding |
1991 |
50-75 breeding pairs |
C6 |
Red-backed Shrike Lanius collurio |
LC |
breeding |
1991 |
50-75 breeding pairs |
C6 |
A4iv Species group - soaring birds/cranes |
n/a |
passage |
1997 |
500-5,000 individuals |
B1iv, C5 |
A4iii Species group - waterbirds |
n/a |
winter |
1997 |
20,000-49,999 individuals |
A4iii, C4 |
A4iii Species group - waterbirds |
n/a |
passage |
1997 |
20,000-49,999 individuals |
A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.
1.