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 |
Greylag Goose Anser anser |
LC |
passage (1990–2006) |
2,500–3,000 birds |
C3 |
Greater White-fronted Goose Anser albifrons |
LC |
winter (1990–2006) |
5,000–7,500 birds |
C3 |
Greater White-fronted Goose Anser albifrons |
LC |
passage (1990–2006) |
12,500–14,500 birds |
C3 |
Lesser White-fronted Goose Anser erythropus |
VU |
passage (1990–2006) |
20–30 birds |
C1, C6 |
Ferruginous Duck Aythya nyroca |
NT |
breeding (1990–2006) |
20–30 pairs |
C1 |
Ferruginous Duck Aythya nyroca |
NT |
passage (1990–2006) |
2,000–2,700 birds |
C1, C2 |
White Stork Ciconia ciconia |
LC |
passage (1990–2006) |
2,500–5,000 birds |
C2 |
Great White Egret Ardea alba |
LC |
breeding (1990–2006) |
30–40 pairs |
C6 |
Pied Avocet Recurvirostra avosetta |
LC |
breeding (1990–2006) |
18–25 pairs |
C6 |
Eurasian Golden Plover Pluvialis apricaria |
LC |
passage (1990–2006) |
350–600 birds |
C6 |
Black-tailed Godwit Limosa limosa |
NT |
breeding (1990–2006) |
11–13 pairs |
C1 |
Black-tailed Godwit Limosa limosa |
NT |
passage (1990–2006) |
4,500–6,000 birds |
C1, C3 |
Ruff Calidris pugnax |
LC |
passage (1990–2006) |
3,600–4,500 birds |
C6 |
Great Snipe Gallinago media |
NT |
passage (1990–2006) |
20–50 birds |
C6 |
Black Tern Chlidonias niger |
LC |
breeding (1990–2006) |
15–30 pairs |
C6 |
Common Tern Sterna hirundo |
LC |
breeding (1990–2006) |
60–80 pairs |
C6 |
Montagu's Harrier Circus pygargus |
LC |
breeding (1990–2006) |
2–4 pairs |
C6 |
Red-footed Falcon Falco vespertinus |
VU |
breeding (1990–2006) |
30–40 pairs |
C1, C6 |
A4iii Species group - waterbirds |
n/a |
passage (1990–2006) |
22,000–24,000 birds |
C4 |