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 |
|---|---|---|---|---|---|
| Fork-tailed Storm-petrel Hydrobates furcatus | LC | breeding | 1974-2009 | 1,300,000 individuals | A4ii |
| Leach's Storm-petrel Hydrobates leucorhous | VU | breeding | 1974-2009 | 1,700,000 individuals | A4ii |
| Red-legged Kittiwake Rissa brevirostris | VU | breeding | 1974-2009 | 12,680 individuals | A4i |
| Black-legged Kittiwake Rissa tridactyla | VU | breeding | 1974-2009 | 29,600 individuals | A4i |
| Horned Puffin Fratercula corniculata | LC | breeding | 1974-2009 | 20,000 individuals | A4ii |
| Parakeet Auklet Aethia psittacula | LC | breeding | 1974-2009 | 12,000 individuals | A4ii |
| Whiskered Auklet Aethia pygmaea | LC | breeding | 1974-2009 | 3,000 individuals | A4ii |
| Crested Auklet Aethia cristatella | LC | breeding | 1974-2009 | 280,000 individuals | A4ii |
| Ancient Murrelet Synthliboramphus antiquus | LC | breeding | 1974-2009 | 10,000 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 |
|---|---|---|---|
| 1980 | Alaska Maritime | National Wildlife Refuge | 6 |
| 1980 | Aleutian Islands | Wilderness | 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 22/11/2024.