The site was identified as internationally important for bird conservation in 2000 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 |
Red-crested Pochard Netta rufina |
LC |
breeding (1997) |
80–120 pairs |
B1i, C3 |
Red-crested Pochard Netta rufina |
LC |
passage (1997) |
300 birds |
B1i, C3 |
Common Pochard Aythya ferina |
VU |
breeding (1997) |
1,550 pairs |
B1i, C3 |
Northern Shoveler Spatula clypeata |
LC |
passage (1997) |
200–800 birds |
B1i, C3 |
Gadwall Mareca strepera |
LC |
breeding (1997) |
500–600 pairs |
A4i, B1i, B2, C3 |
Gadwall Mareca strepera |
LC |
passage (1997) |
200–1,100 birds |
B1i, C3 |
Northern Pintail Anas acuta |
LC |
passage (1997) |
250–600 birds |
B1i, C3 |
Black-necked Grebe Podiceps nigricollis |
LC |
breeding (1997) |
200–400 pairs |
A4i, B1i, C3 |
White Stork Ciconia ciconia |
LC |
breeding (1997) |
3–5 pairs |
C6 |
Common Little Bittern Ixobrychus minutus |
LC |
breeding (1991) |
20 pairs |
B2, C6 |
Black-crowned Night Heron Nycticorax nycticorax |
LC |
breeding (1991) |
70–150 pairs |
C6 |
Squacco Heron Ardeola ralloides |
LC |
breeding (1991) |
1–5 pairs |
B2 |
Purple Heron Ardea purpurea |
LC |
breeding (1991) |
80–100 pairs |
B2, C2, C6 |
Little Egret Egretta garzetta |
LC |
breeding (1997) |
10–50 pairs |
C6 |
Black-winged Stilt Himantopus himantopus |
LC |
breeding (1991) |
10 pairs |
C6 |
Whiskered Tern Chlidonias hybrida |
LC |
breeding (1991) |
200–1,100 pairs |
A4i, B1i, B2, C2, C6 |
Whiskered Tern Chlidonias hybrida |
LC |
passage (1991) |
100–300 birds |
B1i, C2 |
Western Marsh-harrier Circus aeruginosus |
LC |
breeding (1991) |
15–20 pairs |
C6 |
A4iii Species group - waterbirds |
n/a |
winter (1997) |
min 20,000 birds |
A4iii, C4 |
A4iii Species group - waterbirds |
n/a |
passage (1997) |
min 20,000 birds |
A4iii, C4 |