Data Zone
The site was identified as internationally important for bird conservation in 2021 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 | resident (2020) | 43 individuals | B1a |
| Elegant Tern Thalasseus elegans | NT | winter (2011) | 65 individuals | B1a |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1995 | Islas del Golfo de California | UNESCO-MAB Biosphere Reserve (UA) | 25 |
| 2000 | Islas del Golfo de California | Área de Protección de Flora y Fauna (VI) | 100 |
| 2005 | Islands and Protected Areas of the Gulf of California | World Heritage Site (natural or mixed) (UA) | 24 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Archipiélago San José (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/archipiélago-san-josé-iba-mexico on 15/01/2025.