Data Zone
The site was identified as internationally important for bird conservation in 2012 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Tundra Swan Cygnus columbianus | LC | breeding (2001) | 25,600 unknown | A4i |
| Emperor Goose Anser canagicus | LC | breeding (2001) | 20,000 individuals | A1, A4i |
| Spectacled Eider Somateria fischeri | NT | breeding (2001) | 2,900 unknown | A4i |
| Steller's Eider Polysticta stelleri | VU | passage (2000) | min 1,000 unknown | A1 |
| Black Scoter Melanitta americana | NT | breeding (2001) | 11,000 unknown | A4i |
| Bristle-thighed Curlew Numenius tahitiensis | NT | passage (1990) | 10,000 individuals | A1, A4i |
| A4iii Species group - waterbirds | n/a | unknown (-) | 100,000-499,999 individuals | A4iii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1960 | Hazen Bay | Refuge (V) | <1 |
| 1972 | Clarence Rhodes National Wildlife Range | National Wildlife Refuge (IV) | <1 |
| 1980 | Yukon Delta | National Wildlife Refuge (IV) | 67 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Central Yukon - Kuskokwim (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/central-yukon--kuskokwim-iba-usa on 16/01/2025.