MX109
Archipiélago San José


IBA Justification

The site was identified as important in 2021 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 resident 2020 43 individuals B1a
Elegant Tern Thalasseus elegans NT winter 2011 65 individuals B1a

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2021) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1995 Islas del Golfo de California UNESCO-MAB Biosphere Reserve 25
2000 Islas del Golfo de California Área de Protección de Flora y Fauna 100
2005 Islands and Protected Areas of the Gulf of California World Heritage Site (natural or mixed) 24

Land ownership
Tenencia de la tierra: Federal.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Archipiélago San José (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/archipiélago-san-josé-iba-mexico on 23/11/2024.