Data Zone
The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Tundra Swan Cygnus columbianus | LC | breeding (1994–1997) | 200–300 pairs | A3 |
| Greater White-fronted Goose Anser albifrons | LC | breeding (1997) | present | A3 |
| Long-tailed Duck Clangula hyemalis | VU | breeding (1997) | abundant | A3 |
| Spectacled Eider Somateria fischeri | NT | breeding (1993) | 1,000–2,000 pairs | A3, A4i |
| King Eider Somateria spectabilis | LC | breeding (1997) | 2,000 pairs | A3, A4i |
| Common Eider Somateria mollissima | NT | breeding (1993) | 3,000 pairs | A3, A4i |
| Greater Scaup Aythya marila | LC | breeding (1997) | uncommon | A3 |
| Sandhill Crane Grus canadensis | LC | breeding (1997) | frequent | A3 |
| Pacific Loon Gavia pacifica | LC | breeding (1997) | common | A4i |
| Yellow-billed Loon Gavia adamsii | NT | breeding (1997) | rare | A3 |
| Grey Plover Pluvialis squatarola | VU | breeding (1997) | present | A3 |
| Ruddy Turnstone Arenaria interpres | NT | breeding (1997) | present | A3 |
| Dunlin Calidris alpina | NT | breeding (1997) | common | A3 |
| Glaucous Gull Larus hyperboreus | LC | breeding (1997) | frequent | A3 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Grassland | major (>10) | Tundra |
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: West Chaun plain (Russia (Asian)). Downloaded from
https://datazone.birdlife.org/site/factsheet/west-chaun-plain-iba-russia-(asian) on 22/12/2024.