Lago Lanalhue

IBA Justification

The site was identified as important in 2010 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
Black-necked Swan Cygnus melancoryphus LC breeding 2007 1,000-2,499 individuals A4i
Chilean Pigeon Patagioenas araucana LC breeding 2007 present A2, A3
Black-throated Huet-huet Pteroptochos tarnii LC breeding 2007 present A2, A3
Chucao Tapaculo Scelorchilus rubecula LC breeding 2007 present A2, A3
Ochre-flanked Tapaculo Eugralla paradoxa LC breeding 2007 present A2, A3
Thorn-tailed Rayadito Aphrastura spinicauda LC resident 2007 present A3
Des Murs's Wiretail Sylviorthorhynchus desmurii LC breeding 2007 present A3
Patagonian Tyrant Colorhamphus parvirostris LC breeding 2007 present A3
Fire-eyed Diucon Xolmis pyrope LC breeding 2007 present A3

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2010).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2014 favourable very high low
Was the whole site assessed? State assessed by Accuracy of information
yes habitat medium

State (condition of the trigger species' habitats)
Habitat Habitat detail Reference area (ha) Actual area (ha) Habitat quantity (% remaining) Habitat quality (carrying capacity) Result
Wetlands (inland) 6800 6800 - good (> 90%) favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Pollution domestic & urban waste water - sewage happening now whole area/population (>90%) moderate to rapid deterioration very high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Little/none of site covered (<10%) A management plan exists but it is out of date or not comprehensive Some limited conservation initiatives are in place low
For more information about IBA conservation status, please click here


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lago Lanalhue. Downloaded from on 03/12/2023.