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 (2001–2003) | < 50 birds | A1 |
| Chilean Flamingo Phoenicopterus chilensis | NT | passage (2001–2003) | 50-249 birds | A1 |
| Sickle-winged Nightjar Eleothreptus anomalus | VU | resident (2001–2003) | < 50 birds | A1 |
| Crowned Solitary Eagle Buteogallus coronatus | EN | resident (1993) | 6 pairs | A1 |
| Bay-capped Wren-spinetail Spartonoica maluroides | LC | resident (2001–2003) | 50-249 birds | A1 |
| Bearded Tachuri Polystictus pectoralis | NT | breeding (2001–2003) | 50-249 birds | A1 |
| Strange-tailed Tyrant Alectrurus risora | VU | breeding (2001–2003) | 120 birds | A1 |
| Dark-throated Seedeater Sporophila ruficollis | NT | passage (2001–2003) | 50-249 birds | A1 |
| Rufous-rumped Seedeater Sporophila hypochroma | NT | passage (2001–2003) | 600 birds | A1 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1967 | Arroyo Ramirez | Reserva de Pesca (VI) | <1 |
| 1967 | Boca de la Laguna Herradura | Reserva de Pesca (VI) | <1 |
| 1967 | Puerto Dalmacia | Reserva de Pesca (VI) | <1 |
| 1971 | Boca del Rio Bermejo | Reserva de Pesca (VI) | <1 |
| 2001 | Laguna Oca del Rio Paraguay | UNESCO-MAB Biosphere Reserve (UA) | 11 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Valle Fluvial del Río Paraguay (Argentina). Downloaded from
https://datazone.birdlife.org/site/factsheet/valle-fluvial-del-río-paraguay-iba-argentina on 22/12/2024.