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 |
|---|---|---|---|---|---|
| Least Tern Sternula antillarum | LC | breeding | 2004 | max 500 breeding pairs | A4i |
| Elegant Tern Thalasseus elegans | NT | breeding | 1997 | max 4,000 breeding pairs | 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 |
|---|---|---|---|
| - | San Joaquin Freshwater Marsh | Reserve | 2 |
| 1974 | Seal Beach | National Wildlife Refuge | 12 |
| 2012 | Bolsa Chica Basin | State Marine Conservation Area | 15 |
| 2012 | Upper Newport Bay | State Marine Conservation Area | 10 |
| 2012 | Bolsa Bay | State Marine Conservation Area | 1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Orange Coast Wetlands (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/orange-coast-wetlands-iba-usa on 23/11/2024.