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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2010) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2017) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Black-necked Swan Cygnus melancoryphus	2,000	1,800	individuals	90	near favourable

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	-	poor (40-69%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management plan exists but the management planning process has begun	Very little or no conservation action taking place	negligible

Habitat1	Habitat detail	% of IBA
Wetlands (inland)		major (>10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lago Lanalhue (Chile). Downloaded from https://datazone.birdlife.org/site/factsheet/lago-lanalhue-iba-chile on 23/11/2024.