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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 (2019)	20,000 birds	A4, B3a
Mexican Sheartail Doricha eliza	NT	resident (2018)	82 birds	B1a
Reddish Egret Egretta rufescens	NT	resident (2017)	250 birds	A4, B1a, B3a
Wilson's Plover Charadrius wilsonia	LC	winter (2019)	200 birds	A4, B3a
Snowy Plover Charadrius nivosus	NT	winter (2018)	68 birds	B1a
Red Knot Calidris canutus	NT	winter (2018)	33 birds	B1a
Semipalmated Sandpiper Calidris pusilla	NT	winter (2020)	158 birds	B1a
Yucatan Wren Campylorhynchus yucatanicus	NT	resident (2018)	129 birds	B1a
A4iii Species group - waterbirds	n/a	resident (2019)	20,000 birds	B3b

Year	Protected Area	Designation (management category)	% coverage of IBA
2000	Ría Celestun	Reserva de la Biosfera (Ia)	40
2004	Ría Celestún	UNESCO-MAB Biosphere Reserve (UA)	40

Habitat	% of IBA	Habitat detail
Forest	50	Mangrove; Tropical deciduous; Tropical semi-evergreen; Tropical lowland evergreen
Marine Coastal/Supratidal	31
Shrubland	5	Scrub
Marine Intertidal	2
Savanna	2

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

Tenencia de la tierra: Ejidal, privada y federal.

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