The site was identified as internationally important for bird conservation in 2006 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 |
Whooper Swan Cygnus cygnus |
LC |
breeding (1986–2005) |
150–600 birds |
A3, A4i |
Lesser White-fronted Goose Anser erythropus |
VU |
breeding (1973–2000) |
15–100 pairs |
A1, A3 |
Lesser White-fronted Goose Anser erythropus |
VU |
passage (1973–2000) |
20–2,000 birds |
A1, A4i |
Common Scoter Melanitta nigra |
LC |
breeding (2000) |
300 pairs |
A3 |
Common Goldeneye Bucephala clangula |
LC |
breeding (2000) |
25–100 pairs |
A3 |
Smew Mergellus albellus |
LC |
breeding (2000) |
50 pairs |
A3 |
Goosander Mergus merganser |
LC |
passage (1986–2005) |
100–500 birds |
A4i |
Red-breasted Merganser Mergus serrator |
LC |
breeding (1986–2005) |
20–110 pairs |
A4i |
Red-breasted Merganser Mergus serrator |
LC |
passage (1986–2005) |
30–200 birds |
A4i |
Greater Scaup Aythya marila |
LC |
breeding (2000) |
300 pairs |
A3 |
Eurasian Wigeon Mareca penelope |
LC |
non-breeding (1986–2000) |
1,000–7,000 birds |
A4i |
Northern Pintail Anas acuta |
LC |
breeding (1986–2000) |
11,500–19,000 birds |
A4i |
Bar-tailed Godwit Limosa lapponica |
NT |
breeding (2000) |
350 pairs |
A3 |
Jack Snipe Lymnocryptes minimus |
LC |
breeding (1999) |
900–1,000 pairs |
A4i |
Terek Sandpiper Xenus cinereus |
LC |
breeding (1981–2005) |
500–1,000 pairs |
A4i |
Wood Sandpiper Tringa glareola |
LC |
breeding (1981–2005) |
2,000–5,000 pairs |
A4i |
Arctic Tern Sterna paradisaea |
LC |
breeding (2000) |
2,500 pairs |
A3 |
Long-tailed Jaeger Stercorarius longicaudus |
LC |
breeding (2000) |
300 pairs |
A3 |
Siberian Tit Poecile cinctus |
LC |
breeding (2000) |
present |
A3 |
Yellow-browed Warbler Phylloscopus inornatus |
LC |
breeding (2000) |
present |
A3 |
Arctic Warbler Phylloscopus borealis |
LC |
breeding (2000) |
present |
A3 |
Brambling Fringilla montifringilla |
LC |
breeding (2000) |
present |
A3 |
Pine Grosbeak Pinicola enucleator |
LC |
breeding (2000) |
present |
A3 |
Two-barred Crossbill Loxia leucoptera |
LC |
breeding (2000) |
present |
A3 |
A4iii Species group - waterbirds |
n/a |
breeding (1999) |
80,000–95,000 birds |
A4iii |