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 ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Fork-tailed Storm-petrel Hydrobates furcatus | LC | breeding (1974–2009) | 200,000 birds | A4i |
| Pelagic Cormorant Urile pelagicus | LC | breeding (1974–2009) | 1,500 birds | A4i |
| Red-faced Cormorant Urile urile | LC | breeding (1974–2009) | 1,500 birds | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | breeding (1974–2009) | 8,740 birds | A4i |
| Tufted Puffin Fratercula cirrhata | LC | breeding (1974–2009) | 102,200 birds | A4ii |
| Horned Puffin Fratercula corniculata | LC | breeding (1974–2009) | 143,200 birds | A4ii |
| Cassin's Auklet Ptychoramphus aleuticus | NT | breeding (1974–2009) | 100,000 birds | A4ii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1932 | Alaska Peninsula | National Wildlife Refuge (IV) | 11 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Amagat & Umga Island Colonies (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/amagat-&-umga-island-colonies-iba-usa on 23/12/2024.