AR246
Meseta Lago Buenos Aires


IBA Criteria

Year of most recent IBA criteria assessment: 2008

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Lesser Rhea Rhea pennata LC breeding 2007 1,000-2,499 individuals A1
Patagonian Tinamou Tinamotis ingoufi LC resident 2007 present A3
Hooded Grebe Podiceps gallardoi CR breeding 2007 1,000-2,499 individuals A1, A2, A3, A4i
Chilean Flamingo Phoenicopterus chilensis NT passage 2007 50-249 individuals A1
Magellanic Plover Pluvianellus socialis NT passage 2007 < 50 individuals A1, A2, A3
Short-billed Miner Geositta antarctica LC breeding 2007 250-999 individuals A2, A3
Cinnamon-bellied Ground-tyrant Muscisaxicola capistratus LC resident 2007 present A3
Chocolate-vented Tyrant Neoxolmis rufiventris LC breeding 2007 50-249 individuals A2, A3
Patagonian Yellow-finch Sicalis lebruni LC resident 2007 present A3

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


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2019 high not assessed medium
Was the whole site covered? Yes State assessed by unset
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Climate change and severe weather drought happening now whole area/population (>90%) slow but significant deterioration high
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now whole area/population (>90%) slow but significant deterioration high
Invasive and other problematic species and genes problematic native species/diseases - named species happening now whole area/population (>90%) slow but significant deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Some of site covered (10-49%) A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species The conservation measures needed for the site are being comprehensively and effectively implemented medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Patagonia Parque Nacional 53,000 protected area overlaps with site 0

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Club Observadores de Aves (COAS) Patagonia Sur - Río Gallegos 2007
For more information on BirdLife's work with Local conservation groups please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Meseta Lago Buenos Aires. Downloaded from http://www.birdlife.org on 18/01/2022.