Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Sickle-winged Nightjar Eleothreptus anomalus | VU | resident | 2001-2003 | < 50 individuals | A1 |
| Sharp-tailed Tyrant Culicivora caudacuta | LC | resident | 2001-2003 | < 50 individuals | A1 |
| Dark-throated Seedeater Sporophila ruficollis | NT | breeding | 2001-2003 | 50-249 individuals | A1 |
| Rufous-rumped Seedeater Sporophila hypochroma | NT | breeding | 2001-2003 | 50-249 individuals | A1 |
| Chestnut Seedeater Sporophila cinnamomea | VU | passage | 2001-2003 | < 50 individuals | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Estero Valenzuela (Argentina). Downloaded from
https://datazone.birdlife.org/site/factsheet/estero-valenzuela-iba-argentina on 22/11/2024.