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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
American Flamingo Phoenicopterus ruber	LC	resident (2016)	14,000 birds	A4, B3a
Mexican Sheartail Doricha eliza	NT	resident (2017)	80 birds	B1a
White Ibis Eudocimus albus	LC	resident (2011)	2,250 birds	B3a
Reddish Egret Egretta rufescens	NT	resident (2011)	150 birds	A4, B1a, B3a
Wilson's Plover Charadrius wilsonia	LC	winter (2017)	200 birds	A4, B3a
Snowy Plover Charadrius nivosus	NT	winter (2017)	71 birds	B1a
Red Knot Calidris canutus	NT	winter (2017)	38 birds	B1a
Semipalmated Sandpiper Calidris pusilla	NT	winter (2010)	400 birds	B1a
Short-billed Dowitcher Limnodromus griseus	VU	winter (2015)	2,600 birds	A4, B3a
Black Skimmer Rynchops niger	LC	passage (2011)	1,000 birds	B3a
Least Tern Sternula antillarum	LC	breeding (2011)	1,000 birds	A4, B3a
Yucatan Wren Campylorhynchus yucatanicus	NT	resident (2017)	111 birds	B1a
A4iii Species group - waterbirds	n/a	- (2011–2017)	21,200 birds	B3b

Year	Protected Area	Designation (management category)	% coverage of IBA
1999	Ría Lagartos	Reserva de la Biosfera (Ia)	69
2002	Playa Adyacente a la localidad denominada Río Lagartos	Santuario (II)	<1
2004	Ría Lagartos	UNESCO-MAB Biosphere Reserve (UA)	71
2006	Área de Conservación El Zapotal	Área Destinada Voluntariamente a la Conservación (VI)	1

Habitat	% of IBA	Habitat detail
Forest	43	Mangrove; Tropical deciduous; Tropical semi-deciduous; Tropical semi-evergreen
Marine Intertidal	2
Shrubland	1	Scrub
Marine Coastal/Supratidal	major (>10)

Land use	% of IBA
agriculture	30
not utilised	7
urban/industrial/transport	minor (<10)

Tenencia de la tierra: Ejidal, privada, estatal y federal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ría Lagartos (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/ría-lagartos-iba-mexico on 23/12/2024.