UY011
Grassland and wetlands of Negro River down basin


IBA Justification

The site was identified as important 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 List1 Season Year(s) Size IBA criteria
Saffron-cowled Blackbird Xanthopsar flavus EN resident 1978-2003 90 individuals A1
Dark-throated Seedeater Sporophila ruficollis NT breeding 2003-2006 90 individuals A1
Chestnut Seedeater Sporophila cinnamomea VU breeding 2003-2006 90 individuals A1, A2, A3
Marsh Seedeater Sporophila palustris EN breeding 2002 2 individuals A1, A2, A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
- Bañados de Farrapos Other Area 6
1921 Islas Fiscales del Río Uruguay National Forest -
1969 Islas de Río Negro National Park -
2004 Esteros de Farrapos e Islas del Río Uruguay Ramsar Site, Wetland of International Importance 13
2008 Esteros de Farrapos e Islas del Rio Uruguay Parque Nacional 4
2010 Bosques del Río Negro National Park -
2015 Esteros y Algarrobales del Río Uruguay Área de manejo de hábitats y/o especies 1

Habitats

Habitat1 Habitat detail % of IBA
Forest Gallery (or Riparian) forest, River-edge (river island) forest major (>10)
Grassland Campo grassland major (>10)
Wetlands (inland) Ephemeral pools and wetlands, Freshwater marshes/swamps, Rivers major (>10)
1. IUCN Habitat classification.

Land use

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


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 23/11/2024.