St George Island Colony


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 IBA criteria.

Populations meeting IBA criteria ('key species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Red-faced Cormorant Urile urile LC breeding (1974–2009) 5,000 individuals A4i
Red-legged Kittiwake Rissa brevirostris VU breeding (1974–2009) 193,930 individuals A4i
Black-legged Kittiwake Rissa tridactyla VU breeding (1974–2009) 62,568 individuals A4i
Horned Puffin Fratercula corniculata LC breeding (1974–2009) 28,000 individuals A4ii
Parakeet Auklet Aethia psittacula LC breeding (1974–2009) 150,000 individuals A4ii
Least Auklet Aethia pusilla LC breeding (1974–2009) 250,000 individuals A4ii
Thick-billed Murre Uria lomvia LC breeding (1974–2009) 1,098,600 individuals A4ii
Common Murre Uria aalge LC breeding (1974–2009) 201,913 individuals A4ii

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1980 Alaska Maritime National Wildlife Refuge (IV) 4


Recommended citation
BirdLife International (2025) Important Bird Area factsheet: St George Island Colony (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/st-george-island-colony-iba-usa on 13/01/2025.