Year of most recent IBA criteria assessment: 2008
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
Greater Rhea Rhea americana | NT | resident | 1991-1998 | 30 individuals | A1 |
Coscoroba Swan Coscoroba coscoroba | LC | resident | 1991-1998 | 60-325 individuals | A4i |
Black-necked Swan Cygnus melancoryphus | LC | resident | 1987-1999 | 20-1,442 individuals | A4i |
Buff-breasted Sandpiper Calidris subruficollis | NT | winter | 1999 | 300 individuals | A1, A4i |
Curve-billed Reedhaunter Limnornis curvirostris | LC | resident | 1999 | uncommon | A3 |
Straight-billed Reedhaunter Limnoctites rectirostris | NT | resident | 1999-2008 | 90 individuals | A1, A2 |
Sulphur-throated Spinetail Cranioleuca sulphurifera | LC | resident | 1999 | present | A3 |
Bay-capped Wren-spinetail Spartonoica maluroides | LC | resident | 1999 | 90 individuals | A1, A3 |
Black-and-white Monjita Xolmis dominicanus | VU | resident | 1999 | 90 individuals | A1 |
Saffron-cowled Blackbird Xanthopsar flavus | EN | resident | 1999-2007 | 90 individuals | A1 |
A4iii Species group - waterbirds | n/a | unknown | - | 20,000-49,999 individuals | A4iii |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Laguna de Castillos | Paisaje Protegido | 8,185 | protected area contained by site | 8,185 |
Humedales del Este | Other Area | 260,000 | protected area contains site | 27,000 |
Cabo Polonio | Parque Nacional | 25,820 | protected area overlaps with site | 0 |
Bañados del Este y Franja Costera | Ramsar Site, Wetland of International Importance | 431,536 | protected area overlaps with site | 27,000 |
Bañados del Este y Franja Costera | UNESCO-MAB Biosphere Reserve | 1,245,750 | protected area contains site | 0 |
Bañados del Este | UNESCO-MAB Biosphere Reserve | 200,000 | protected area contains site | 27,000 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Grassland | Campo grassland | - |
Marine Coastal/Supratidal | - |
Land-use | Extent (% of site) |
---|---|
rangeland/pastureland | - |
tourism/recreation | - |
fisheries/aquaculture | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Castillos Lagoon. Downloaded from
http://www.birdlife.org on 29/01/2023.