Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Northern Fulmar Fulmarus glacialis | LC | breeding | 1974-2009 | 291,550 individuals | A4ii |
| Pelagic Cormorant Urile pelagicus | LC | breeding | 1974-2009 | 1,860 individuals | A4i |
| Black-legged Kittiwake Rissa tridactyla | VU | breeding | 1974-2009 | 50,990 individuals | A4i |
| Parakeet Auklet Aethia psittacula | LC | breeding | 1974-2009 | 20,550 individuals | A4ii |
| Least Auklet Aethia pusilla | LC | breeding | 1974-2009 | 680,000 individuals | A4ii |
| Crested Auklet Aethia cristatella | LC | breeding | 1974-2009 | 135,000 individuals | A4ii |
| Thick-billed Murre Uria lomvia | LC | breeding | 1974-2009 | 308,775 individuals | A4ii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1970 | Bering Sea | Wilderness | 18 |
| 1980 | Alaska Maritime | National Wildlife Refuge | 18 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: St Matthew & Hall Islands Colonies (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/st-matthew-&-hall-islands-colonies-iba-usa on 23/11/2024.