Estero Valenzuela

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
Sickle-winged Nightjar Eleothreptus anomalus VU unknown 2007 < 50 individuals A1
Sharp-tailed Tyrant Culicivora caudacuta VU resident 2007 < 50 individuals A1
Dark-throated Seedeater Sporophila ruficollis NT unknown 2007 50-249 individuals A1
Rufous-rumped Seedeater Sporophila hypochroma NT unknown 2007 50-249 individuals A1
Chestnut Seedeater Sporophila cinnamomea VU unknown 2007 < 50 individuals A1

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Estero Valenzuela. Downloaded from on 25/09/2022.