The site was identified as internationally important for bird conservation in 2005 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
White-headed Duck Oxyura leucocephala |
EN |
winter (1997) |
24–202 birds |
A1, A4i, B1i, C1, C2 |
Whooper Swan Cygnus cygnus |
LC |
winter (1997) |
9–599 birds |
B1i, C2 |
Red-breasted Goose Branta ruficollis |
VU |
winter (2000) |
16,878 birds |
A1, A4i, B1i, C1, C2 |
Greater White-fronted Goose Anser albifrons |
LC |
winter (1997) |
10,000–36,855 birds |
A4i, B1i, C3 |
Ferruginous Duck Aythya nyroca |
NT |
winter (2001) |
98 birds |
A1, C1 |
Eurasian Spoonbill Platalea leucorodia |
LC |
breeding (1996) |
30–37 pairs |
B2, C6 |
Glossy Ibis Plegadis falcinellus |
LC |
breeding (1996) |
1–30 pairs |
B2, C6 |
Common Little Bittern Ixobrychus minutus |
LC |
breeding (1998) |
45–75 pairs |
B2, C6 |
Black-crowned Night Heron Nycticorax nycticorax |
LC |
breeding (2003) |
43 pairs |
C6 |
Squacco Heron Ardeola ralloides |
LC |
breeding (1996) |
30 pairs |
B2, C6 |
Purple Heron Ardea purpurea |
LC |
breeding (1996) |
16–20 pairs |
C6 |
Great White Egret Ardea alba |
LC |
winter (2000) |
446 birds |
A4i, B1i, C2 |
Little Egret Egretta garzetta |
LC |
breeding (1996) |
50–72 pairs |
C6 |
Dalmatian Pelican Pelecanus crispus |
NT |
winter (1997) |
11–203 birds |
A1, A4i, B1i, C1, C2 |
Great White Pelican Pelecanus onocrotalus |
LC |
passage (1996) |
203–2,000 birds |
A4i, B1i, C2 |
Pygmy Cormorant Microcarbo pygmaeus |
LC |
winter (1997) |
19–320 birds |
A1, A4i, B1i, C1, C2 |
Great Cormorant Phalacrocorax carbo |
LC |
winter (1997) |
15–1,873 birds |
B1i, C3 |
Pied Avocet Recurvirostra avosetta |
LC |
breeding (1996) |
5–15 pairs |
B3, C6 |
Black-winged Stilt Himantopus himantopus |
LC |
breeding (1996) |
12–25 pairs |
C6 |
Slender-billed Curlew Numenius tenuirostris |
CR |
passage (1996) |
1 birds |
A1, C1 |
Collared Pratincole Glareola pratincola |
LC |
breeding (1998) |
2–12 pairs |
C6 |
Little Tern Sternula albifrons |
LC |
breeding (1995) |
6–20 pairs |
C6 |
Common Tern Sterna hirundo |
LC |
breeding (1991) |
10–72 pairs |
C6 |
Western Marsh-harrier Circus aeruginosus |
LC |
resident (1998) |
3 pairs |
C6 |
A4iv Species group - soaring birds/cranes |
n/a |
passage (1996–2003) |
24,733–98,660 birds |
A4iv, B1iv, C5 |
A4iii Species group - waterbirds |
n/a |
winter (-) |
20,000-49,999 birds |
A4iii, C4 |