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 |
|---|---|---|---|---|
| Greater Rhea Rhea americana | NT | resident (2002) | 250-999 birds | A1 |
| Plumbeous Ibis Theristicus caerulescens | LC | resident (2002) | 250-999 birds | A4i |
| Sharp-tailed Tyrant Culicivora caudacuta | LC | resident (2002) | < 50 birds | A1 |
| Strange-tailed Tyrant Alectrurus risora | VU | resident (2002) | 250-999 birds | A1 |
| Black-and-white Monjita Xolmis dominicanus | VU | resident (2002) | < 50 birds | A1 |
| Ochre-breasted Pipit Anthus nattereri | VU | resident (2002) | < 50 birds | A1 |
| Saffron-cowled Blackbird Xanthopsar flavus | EN | resident (2002) | 250-999 birds | A1, A4ii |
| Dark-throated Seedeater Sporophila ruficollis | NT | breeding (2002) | 50-249 birds | A1 |
| Rufous-rumped Seedeater Sporophila hypochroma | NT | unknown (2002) | 50-249 birds | A1 |
| Chestnut Seedeater Sporophila cinnamomea | VU | breeding (2002) | 250-999 birds | A1, A2, A3 |
| Marsh Seedeater Sporophila palustris | EN | breeding (2002) | 50-249 birds | A1, A2, A3 |
| Marsh Seedeater Sporophila palustris | EN | breeding (2002) | 2–4 birds | A1, A2, A3 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2019) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2019 | not assessed | very high | very low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | medium | |
| 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%) | rapid decline (>30% over 3 generations) | very high |
| Biological resource use | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Little/none of area covered (<10%) | No management planning has taken place | Some limited conservation initiatives are in place | very low |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Grassland | - | |
| Savanna | - | |
| Wetlands (inland) | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cuenca del río Aguapey (Argentina). Downloaded from
https://datazone.birdlife.org/site/factsheet/cuenca-del-río-aguapey-iba-argentina on 23/12/2024.