The site was identified as internationally important for bird conservation in 2007 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 |
Ferruginous Duck Aythya nyroca |
NT |
breeding (1990–2006) |
50–100 pairs |
C1, C6 |
Corncrake Crex crex |
LC |
breeding (1990–2006) |
30–40 pairs |
C1 |
Spotted Crake Porzana porzana |
LC |
breeding (1993) |
60–80 pairs |
C6 |
Little Crake Zapornia parva |
LC |
breeding (1990–2006) |
100–120 pairs |
C6 |
Eurasian Spoonbill Platalea leucorodia |
LC |
passage (1990–2006) |
150–200 birds |
C2 |
Glossy Ibis Plegadis falcinellus |
LC |
passage (1990–2006) |
750–1,000 birds |
C2 |
Eurasian Bittern Botaurus stellaris |
LC |
breeding (1990–2006) |
16–20 pairs |
C6 |
Common Little Bittern Ixobrychus minutus |
LC |
breeding (1990–2006) |
400–600 pairs |
C2, C6 |
Squacco Heron Ardeola ralloides |
LC |
passage (1990–2006) |
800–1,000 birds |
C2 |
Purple Heron Ardea purpurea |
LC |
breeding (1990–2006) |
40–50 pairs |
C6 |
Little Egret Egretta garzetta |
LC |
passage (1990–2006) |
1,000–1,500 birds |
C2 |
Pygmy Cormorant Microcarbo pygmaeus |
LC |
passage (1990–2006) |
500–800 birds |
C2 |
Pied Avocet Recurvirostra avosetta |
LC |
breeding (1990–2006) |
12–20 pairs |
C6 |
Pied Avocet Recurvirostra avosetta |
LC |
passage (1990–2006) |
1,200–1,300 birds |
C2 |
Black-winged Stilt Himantopus himantopus |
LC |
passage (1990–2006) |
1,000–1,200 birds |
C2 |
Ruff Calidris pugnax |
LC |
passage (1990–2006) |
3,000–4,000 birds |
C6 |
Whiskered Tern Chlidonias hybrida |
LC |
breeding (1990–2006) |
800–1,000 pairs |
C2, C6 |
Whiskered Tern Chlidonias hybrida |
LC |
passage (1990–2006) |
6,000–8,000 birds |
C2 |
Black Tern Chlidonias niger |
LC |
passage (1990–2006) |
2,000–3,000 birds |
C2 |
Common Tern Sterna hirundo |
LC |
breeding (1990–2006) |
100–150 pairs |
C6 |
European Roller Coracias garrulus |
LC |
breeding (1990–2006) |
80–100 pairs |
C1 |
Grey-faced Woodpecker Picus canus |
LC |
breeding (1990–2006) |
180–210 pairs |
C6 |
Red-footed Falcon Falco vespertinus |
VU |
passage (1990–2006) |
100–200 birds |
C1 |
Barred Warbler Curruca nisoria |
LC |
breeding (1990–2006) |
100–200 pairs |
C6 |
Bluethroat Luscinia svecica |
LC |
breeding (1990–2006) |
40–50 pairs |
C6 |
A4iii Species group - waterbirds |
n/a |
passage (1990–2006) |
20,000 birds |
C4 |