Data Zone
The site was identified as important in 2009 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 |
|---|---|---|---|---|---|
| Heermann's Gull Larus heermanni | NT | non-breeding | 2001 | 525 individuals | A1 |
| Least Tern Sternula antillarum | LC | breeding | 2003 | 1,309 breeding pairs | A4i |
| Elegant Tern Thalasseus elegans | NT | breeding | 2003 | 10,300 breeding pairs | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | San Diego Bay | National Wildlife Refuge | 5 |
| 1988 | San Diego Bay | National Wildlife Refuge | 46 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: San Diego Bay - South (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/san-diego-bay--south-iba-usa on 23/11/2024.