AR230
San Antonio Oeste


IBA Justification

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
Greater Rhea Rhea americana NT resident 2001-2003 50-249 individuals A1
Rhea pennata NR resident 2001-2003 50-249 individuals A1
Chilean Flamingo Phoenicopterus chilensis NT resident 2001-2003 400 individuals A1
Two-banded Plover Charadrius falklandicus LC non-breeding 2001-2003 3,000-5,000 individuals A4i
Hudsonian Godwit Limosa haemastica VU non-breeding 2001-2003 800 individuals A4i
Red Knot Calidris canutus NT non-breeding 2001-2004 7,500-15,000 individuals A4i
White-rumped Sandpiper Calidris fuscicollis VU non-breeding 2001-2003 7,000-30,000 individuals A4i
Bay-capped Wren-spinetail Spartonoica maluroides LC resident 2001-2003 50-249 individuals A1
Yellow Cardinal Gubernatrix cristata EN resident 2001-2003 50-249 individuals A1
A4iii Species group - waterbirds n/a non-breeding 2001-2003 20,000-49,999 individuals A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1993 Bahía de San Antonio Paisaje Protegido 24

Local Conservation Groups

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name Year formed
Fundación Inalafquen 1989
For more information on BirdLife's work with Local Conservation Groups, please click here.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: San Antonio Oeste (Argentina). Downloaded from https://datazone.birdlife.org/site/factsheet/san-antonio-oeste-iba-argentina on 22/11/2024.