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 |
|---|---|---|---|---|---|
| Leach's Storm-petrel Hydrobates leucorhous | VU | breeding | 1988 | max 186,650 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 |
|---|---|---|---|
| 1935 | Oregon Islands | National Wildlife Refuge | 6 |
| 1970 | Oregon Island | Wilderness | 100 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mack Reef (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/mack-reef-iba-usa on 22/11/2024.