The site was identified as important in 2013 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 |
---|---|---|---|---|---|
Western Gull Larus occidentalis | LC | - | - | present | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2013) may differ.
Year | Protected Area | Designation | % overlap with IBA |
---|---|---|---|
1974 | San Nicolas Island and Begg Rock | ASBS State Water Quality Protection Area | 4 |
2012 | Begg Rock (San Nicolas Island Quad) | State Marine Reserve | 14 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Santa Cruz Basin 120W33N (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/santa-cruz-basin-120w33n-iba-usa on 24/11/2024.