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 |
|---|---|---|---|---|
| Marbled Murrelet Brachyramphus marmoratus | EN | breeding (1974–2009) | 230 birds | A1 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1935 | Oregon Islands | National Wildlife Refuge (IV) | <1 |
| 1954 | Floras Lake State | Natural Area (V) | <1 |
| 1970 | Oregon Island | Wilderness (Ib) | 20 |
| 2010 | Redfish Rocks | Marine Protected Area (IV) | <1 |
| 2010 | Redfish Rocks | Marine Reserve (Ia) | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cape Blanco Nearshore Ocean (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/cape-blanco-nearshore-ocean-iba-usa on 25/12/2024.