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The site was identified as internationally important for bird conservation in 2008 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
Black Rail Laterallus jamaicensis	EN	resident (2003)	present	A1
Red-legged Cormorant Poikilocarbo gaimardi	NT	resident (2003)	present	A1
Grey Gull Larus modestus	LC	resident (2003)	present	A3
Peruvian Tern Sternula lorata	EN	resident (2003)	present	A1
Inca Tern Larosterna inca	NT	resident (2003)	present	A1, A3
Surf Cinclodes Cinclodes taczanowskii	LC	resident (2003)	present	A2, A3
Slender-billed Finch Xenospingus concolor	NT	resident (2003)	present	A1, A2, A3
A4iii Species group - waterbirds	n/a	unknown (2008)	15,000–120,000 birds	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
1984	Lagunas de Mejía	Santuario Nacional (III)	11

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Shrubland	-	Riparian scrub/thickets

Land use	% of IBA
fisheries/aquaculture	major (>10)
nature conservation and research	major (>10)
agriculture	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Río Tambo y Lagunas de Mejía (Peru). Downloaded from https://datazone.birdlife.org/site/factsheet/río-tambo-y-lagunas-de-mejía-iba-peru on 23/12/2024.