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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
Greater Rhea Rhea americana	NT	resident (2001–2003)	250-999 birds	A1
Bay-capped Wren-spinetail Spartonoica maluroides	LC	resident (2001–2003)	50-249 birds	A1, A3
Bearded Tachuri Polystictus pectoralis	NT	passage (2001–2003)	50-249 birds	A1
Black-and-white Monjita Xolmis dominicanus	VU	resident (2001–2003)	50-249 birds	A1
Saffron-cowled Blackbird Xanthopsar flavus	EN	resident (2001–2003)	50-249 birds	A1, A4ii
Yellow Cardinal Gubernatrix cristata	EN	resident (2001–2003)	< 50 birds	A1
Dark-throated Seedeater Sporophila ruficollis	NT	resident (2001–2003)	50-249 birds	A1
Rufous-rumped Seedeater Sporophila hypochroma	NT	resident (2001–2003)	50-249 birds	A1
Chestnut Seedeater Sporophila cinnamomea	VU	resident (2001–2003)	50-249 birds	A1, A2, A3
Marsh Seedeater Sporophila palustris	EN	resident (2001–2003)	50-249 birds	A1, A2, A3
Marsh Seedeater Sporophila palustris	EN	resident (2001–2003)	< 50 birds	A1, A2, A3

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Guardafaunas Gualeguaychú, Asociación	2004

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nandubaysal-El Potrero (Argentina). Downloaded from https://datazone.birdlife.org/site/factsheet/nandubaysal-el-potrero-iba-argentina on 23/12/2024.