Central Yukon - Kuskokwim


IBA Justification

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 ('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 (2001) 25,600 unknown A4i
Emperor Goose Anser canagicus LC breeding (2001) 20,000 birds 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 birds A1, A4i
A4iii Species group - waterbirds n/a unknown (-) 100,000-499,999 birds A4iii

IBA Protection

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 (2024) Important Bird Area factsheet: Central Yukon - Kuskokwim (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/central-yukon--kuskokwim-iba-usa on 23/12/2024.