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• Reference and further resources

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
Saffron-cowled Blackbird Xanthopsar flavus	EN	resident (1978–2003)	90 birds	A1
Dark-throated Seedeater Sporophila ruficollis	NT	breeding (2003–2006)	90 birds	A1
Chestnut Seedeater Sporophila cinnamomea	VU	breeding (2003–2006)	90 birds	A1, A2, A3
Marsh Seedeater Sporophila palustris	EN	breeding (2002)	2 birds	A1, A2, A3

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Bañados de Farrapos	Other Area (-)	6
1921	Islas Fiscales del Río Uruguay	National Forest (-)	-
1969	Islas de Río Negro	National Park (V)	-
2008	Esteros de Farrapos e Islas del Rio Uruguay	Parque Nacional (II)	4
2010	Bosques del Río Negro	National Park (-)	-
2015	Esteros y Algarrobales del Río Uruguay	Área de manejo de hábitats y/o especies (VI)	1

Habitat	% of IBA	Habitat detail
Forest	major (>10)	Gallery (or Riparian) forest; River-edge (river island) forest
Grassland	major (>10)	Campo grassland
Wetlands (inland)	major (>10)	Ephemeral pools and wetlands; Freshwater marshes/swamps; Rivers

Land use	% of IBA
agriculture	major (>10)
fisheries/aquaculture	major (>10)
rangeland/pastureland	major (>10)
tourism/recreation	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Grassland and wetlands of Negro River down basin (Uruguay). Downloaded from https://datazone.birdlife.org/site/factsheet/grassland-and-wetlands-of-negro-river-down-basin-iba-uruguay on 23/12/2024.