Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Tundra Swan Cygnus columbianus | LC | breeding | 2004 | present | A3, A4i |
| Brent Goose Branta bernicla | LC | breeding | 2004 | common | A3, A4i |
| Lesser White-fronted Goose Anser erythropus | VU | breeding | 2004 | present | A1, A3 |
| Long-tailed Duck Clangula hyemalis | VU | breeding | 2004 | present | A3, A4i |
| King Eider Somateria spectabilis | LC | breeding | 2004 | present | A3, A4i |
| Steller's Eider Polysticta stelleri | VU | breeding | 2004 | present | A3, A4i |
| Baikal Teal Sibirionetta formosa | LC | breeding | 2004 | present | A1 |
| Ross's Gull Rhodostethia rosea | LC | breeding | 2004 | present | A3 |
| Sabine's Gull Xema sabini | LC | breeding | 2004 | present | A3, A4i |
| A4iii Species group - waterbirds | n/a | breeding | 2004 | min 20,000 individuals | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1985 | Ust'-Lensky | Zapovednik | 100 |
| 1996 | Lena-Del'ta | Resource Reserve | 67 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Grassland | Tundra | major (>10) |
| Marine Coastal/Supratidal | major (>10) | |
| Marine Neritic | major (>10) | |
| Wetlands (inland) | Rivers and streams, Freshwater lakes and pools | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lena delta (Russia (Asian)). Downloaded from
https://datazone.birdlife.org/site/factsheet/lena-delta-iba-russia-(asian) on 23/11/2024.