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) | 1,300,000 birds | A4ii |
Leach's Storm-petrel Hydrobates leucorhous | VU | breeding (1974–2009) | 1,700,000 birds | A4ii |
Red-legged Kittiwake Rissa brevirostris | VU | breeding (1974–2009) | 12,680 birds | A4i |
Black-legged Kittiwake Rissa tridactyla | VU | breeding (1974–2009) | 29,600 birds | A4i |
Horned Puffin Fratercula corniculata | LC | breeding (1974–2009) | 20,000 birds | A4ii |
Parakeet Auklet Aethia psittacula | LC | breeding (1974–2009) | 12,000 birds | A4ii |
Whiskered Auklet Aethia pygmaea | LC | breeding (1974–2009) | 3,000 birds | A4ii |
Crested Auklet Aethia cristatella | LC | breeding (1974–2009) | 280,000 birds | A4ii |
Ancient Murrelet Synthliboramphus antiquus | LC | breeding (1974–2009) | 10,000 birds | A4ii |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
1980 | Alaska Maritime | National Wildlife Refuge (IV) | 6 |
1980 | Aleutian Islands | Wilderness (Ib) | 6 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Buldir Island Colony (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/buldir-island-colony-iba-usa on 22/12/2024.