Data Zone
The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | 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 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | San Diego Bay | National Wildlife Refuge (IV) | 5 |
| 1988 | San Diego Bay | National Wildlife Refuge (Ia) | 46 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: San Diego Bay - South (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/san-diego-bay--south-iba-usa on 14/01/2025.