• Summary
• Text account
• Data table and detailed info
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• Reference and further resources

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
Black-vented Shearwater Puffinus opisthomelas	NT	resident	2017	80 individuals	B1a
Brown Booby Sula leucogaster	LC	breeding	2010	3,000 individuals	A4, B3a
Double-crested Cormorant Nannopterum auritum	LC	resident	2010	1,400 individuals	B3a
Heermann's Gull Larus heermanni	NT	resident	2010	200 individuals	B1a
Least Tern Sternula antillarum	LC	breeding	2011	600 individuals	B3a
Elegant Tern Thalasseus elegans	NT	non-breeding	2016	50 individuals	B1a

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

Habitat1	Habitat detail	% of IBA
Marine Coastal/Supratidal		major (>10)
Marine Neritic		major (>10)
Marine Intertidal		minor (<10)

1. IUCN Habitat classification.

Tenencia de la tierra: Ejidal y federal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bahía e Islas de San Jorge (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/bahía-e-islas-de-san-jorge-iba-mexico on 23/11/2024.