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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
Chilean Pigeon Patagioenas araucana	LC	resident	2009	abundant	A2, A3
Magellanic Woodpecker Campephilus magellanicus	LC	resident	2009	present	A3
Austral Parakeet Enicognathus ferrugineus	LC	breeding	2009	present	A3
Black-throated Huet-huet Pteroptochos tarnii	LC	resident	2009	present	A2, A3
Dusky Tapaculo Scytalopus fuscus	LC	resident	2009	present	A3
White-throated Treerunner Pygarrhichas albogularis	LC	resident	2009	present	A3
Thorn-tailed Rayadito Aphrastura spinicauda	LC	resident	2009	present	A3
Des Murs's Wiretail Sylviorthorhynchus desmurii	LC	resident	2009	present	A3
Patagonian Tyrant Colorhamphus parvirostris	LC	resident	2009	present	A3
Fire-eyed Diucon Xolmis pyrope	LC	resident	2009	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 (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	moderate (70-90%)	near favourable
Artificial/Terrestrial	-	moderate (70-90%)	near favourable
Grassland	-	good (> 90%)	favourable
Shrubland	-	good (> 90%)	favourable
Wetlands (inland)	-	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Transportation and service corridors	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Human intrusions and disturbance	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Agricultural expansion and intensification	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

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 planning has taken place	Very little or no conservation action taking place	negligible

Year	Protected Area	Designation	% overlap with IBA
1970	Cerro Castillo	Reserva Forestal	21

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial		-
Forest		-
Grassland		-
Shrubland		-
Wetlands (inland)		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ibañez River Valley (Chile). Downloaded from https://datazone.birdlife.org/site/factsheet/ibañez-river-valley-iba-chile on 23/11/2024.