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 |
|---|---|---|---|---|---|
| Brandt's Cormorant Urile penicillatus | LC | breeding | 1974-2009 | 2,490 individuals | A4i |
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 |
|---|---|---|---|
| - | Castle Rock | National Wildlife Refuge | 21 |
| 2012 | Castle Rock | Special Closure | 39 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Castle Rock (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/castle-rock-iba-usa on 23/11/2024.