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 (1997) | 200 pairs | A3 |
| Brent Goose Branta bernicla | LC | breeding (1997) | present | A3, A4i |
| Greater White-fronted Goose Anser albifrons | LC | breeding (1997) | present | A3 |
| Lesser White-fronted Goose Anser erythropus | VU | breeding (1997) | present | A1, A3 |
| Long-tailed Duck Clangula hyemalis | VU | breeding (1997) | abundant | A3, A4i |
| Spectacled Eider Somateria fischeri | NT | breeding (1997) | 2,000 pairs | A3, A4i |
| King Eider Somateria spectabilis | LC | breeding (1997) | common | A3 |
| Common Eider Somateria mollissima | NT | breeding (1997) | frequent | A3 |
| Greater Scaup Aythya marila | LC | breeding (1997) | uncommon | A3 |
| Baikal Teal Sibirionetta formosa | LC | breeding (1997) | rare | A1 |
| Sandhill Crane Grus canadensis | LC | breeding (1997) | frequent | A3 |
| Yellow-billed Loon Gavia adamsii | NT | breeding (1997) | rare | A3 |
| Grey Plover Pluvialis squatarola | VU | breeding (1997) | uncommon | A3 |
| Ruddy Turnstone Arenaria interpres | NT | breeding (1997) | uncommon | A3 |
| Dunlin Calidris alpina | NT | breeding (1997) | common | A3 |
| A4iii Species group - waterbirds | n/a | breeding (1997) | min 20,000 birds | A4iii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1995 | Chaunskaya guba | Zakaznik (IV) | 11 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Grassland | major (>10) | Tundra |
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Wetlands (inland) | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Chaun delta (Russia (Asian)). Downloaded from
https://datazone.birdlife.org/site/factsheet/chaun-delta-iba-russia-(asian) on 23/12/2024.