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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 ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Brent Goose Branta bernicla	LC	winter (2019)	23,000 birds	A4, B3a
Sooty Shearwater Ardenna grisea	NT	non-breeding (2018)	290 birds	B1a
Black-vented Shearwater Puffinus opisthomelas	NT	resident (2018)	476 birds	B1a
Brown Pelican Pelecanus occidentalis	LC	breeding (2011)	5,000 birds	A4, B3a
Snowy Plover Charadrius nivosus	NT	resident (2018)	515 birds	A4, B1a, B3a
Long-billed Curlew Numenius americanus	LC	non-breeding (2012)	4,188 birds	A4, B3a
Marbled Godwit Limosa fedoa	VU	non-breeding (2012)	19,772 birds	A4, B3a
Red Knot Calidris canutus	NT	winter (2018)	75 birds	B1a
Short-billed Dowitcher Limnodromus griseus	VU	non-breeding (2020)	2,710 birds	A4, B3a
Willet Tringa semipalmata	LC	non-breeding (2012)	3,092 birds	A4, B3a
Black Skimmer Rynchops niger	LC	non-breeding (2018)	370 birds	B3a
Heermann's Gull Larus heermanni	NT	resident (2017)	804 birds	B1a
Western Gull Larus occidentalis	LC	resident (2017)	4,000 birds	A4, B3a
Least Tern Sternula antillarum	LC	breeding (2011)	420 birds	B3a
Elegant Tern Thalasseus elegans	NT	non-breeding (2019)	301 birds	B1a
Royal Tern Thalasseus maximus	LC	resident (2018)	250 birds	B3a
A4iii Species group - waterbirds	n/a	non-breeding (2012–2020)	57,272 birds	B3b

Year	Protected Area	Designation (management category)	% coverage of IBA
2014	Reserva Natural Punta Mazo	Área Destinada Voluntariamente a la Conservación (VI)	2
2016	Islas del Pacífico de la Península de Baja California	Reserva de la Biosfera (Ia)	13
2017	Reserva Natural Monte Ceniza	Área Destinada Voluntariamente a la Conservación (VI)	2

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	62
Shrubland	12	Scrub
Marine Intertidal	6
Savanna	6

Land use	% of IBA
agriculture	11
not utilised	1
rangeland/pastureland	minor (<10)
urban/industrial/transport	minor (<10)
other	-

Tenencia de la tierra: Ejidal, federal y privada.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Área de San Quintín (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/área-de-san-quintín-iba-mexico on 23/12/2024.