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 |
|---|---|---|---|---|
| Brandt's Cormorant Urile penicillatus | LC | breeding (2000–2003) | 1,092–3,110 birds | A4i |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bird Rocks NWR (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/bird-rocks-nwr-iba-usa on 25/12/2024.