Data Zone
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 |
|---|---|---|---|---|
| Straight-billed Reedhaunter Limnoctites rectirostris | NT | resident (1992–2006) | 90 birds | A1, A2 |
| Black-and-white Monjita Xolmis dominicanus | VU | resident (1992–2006) | 90 birds | A1 |
| Saffron-cowled Blackbird Xanthopsar flavus | EN | resident (1986) | 90 birds | A1 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2013) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2013 | good | very high | very low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | habitat | unknown | |
| State (condition of the trigger species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Grassland | good (>90%) | good (>90%) | good |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Agricultural expansion and intensification | happening now | whole of population/area (>90%) | moderate decline (10–30% over 3 generations) | very high |
| Energy production and mining | happening now | whole of population/area (>90%) | moderate decline (10–30% over 3 generations) | very high |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Little/none of area covered (<10%) | No management plan exists, but the management planning process has begun | Unknown | very low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1986 | Quebrada de los Cuervos | Municipal Reserve (-) | <1 |
| 1986 | Quebrada de los Cuervos | Protected Natural Area (-) | <1 |
| 2008 | Quebrada de los Cuervos | Paisaje Protegido (V) | 4 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | major (>10) | |
| Grassland | major (>10) | Campo grassland |
| Land use | % of IBA |
|---|---|
| rangeland/pastureland | major (>10) |
| tourism/recreation | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Quebradas de Treinta y Tres (Uruguay). Downloaded from
https://datazone.birdlife.org/site/factsheet/quebradas-de-treinta-y-tres-iba-uruguay on 23/12/2024.