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'):
|Species||Current IUCN Red List Category||Season||Year(s)||Population estimate at site||IBA criteria met|
|Greater Rhea Rhea americana||NT||resident||2001-2004||50-249 individuals||A1|
|Chilean Flamingo Phoenicopterus chilensis||NT||non-breeding||2007||2,500-9,999 individuals||A1, A4i|
|Crowned Solitary Eagle Buteogallus coronatus||EN||resident||2001-2005||< 50 individuals||A1|
|Yellow Cardinal Gubernatrix cristata||EN||resident||2001-2003||< 50 individuals||A1|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2008).
|Protected area (PA)||PA designation||PA area (ha)||Relationship of PA with IBA||Overlap of PA with IBA (ha)|
|Lihué Calel||Parque Nacional||32,500||protected area contained by site||0|
|Lihue Calel||National Park||0||is identical to site||32,000|
BirdLife International (2023) Important Bird Area factsheet: Parque Nacional Lihue Calel. Downloaded from http://datazone.birdlife.org/site/factsheet/parque-nacional-lihue-calel-iba-argentina on 06/12/2023.