• Summary
• Text account
• Data table and detailed info
• Map
• 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
Surf Scoter Melanitta perspicillata	LC	non-breeding	2020	11,000 individuals	A4, B3a
Western Grebe Aechmophorus occidentalis	LC	winter	2018	1,200 individuals	B3a
Black-vented Shearwater Puffinus opisthomelas	NT	resident	2018	22,500 individuals	A4, B1a
Brown Pelican Pelecanus occidentalis	LC	resident	2016	2,260 individuals	B3a
Snowy Plover Charadrius nivosus	NT	winter	2019	132 individuals	B1a, B3a
Marbled Godwit Limosa fedoa	VU	winter	2019	2,000 individuals	A4, B3a
Red Knot Calidris canutus	NT	winter	2013	250 individuals	B1a, B3a
Black Skimmer Rynchops niger	LC	non-breeding	2019	250 individuals	B3a
Heermann's Gull Larus heermanni	NT	resident	2012	470 individuals	B1a
Least Tern Sternula antillarum	LC	breeding	2011	250 individuals	B3a
Elegant Tern Thalasseus elegans	NT	non-breeding	2020	1,110 individuals	A4, B1a, B3a
Royal Tern Thalasseus maximus	LC	resident	2013	130 individuals	B3a
Cassin's Auklet Ptychoramphus aleuticus	NT	resident	2010	750 individuals	B1a
Scripps's Murrelet Synthliboramphus scrippsi	VU	resident	2017	98 individuals	A1
A4iii Species group - waterbirds	n/a	-	2013	22,880 individuals	B3b

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

Land use	% of IBA
agriculture	50
tourism/recreation	25
urban/industrial/transport	20
nature conservation and research	5

Tenencia de la tierra: Ejidal, privada y federal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bahía Todos Santos (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/bahía-todos-santos-iba-mexico on 23/11/2024.