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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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Chilean Tinamou Nothoprocta perdicaria	LC	resident	2007-2008	present	A2
Chilean Pigeon Patagioenas araucana	LC	resident	-	present	A2, A3
Austral Parakeet Enicognathus ferrugineus	LC	resident	-	present	A3
Chestnut-throated Huet-huet Pteroptochos castaneus	LC	resident	-	present	A2
Black-throated Huet-huet Pteroptochos tarnii	LC	resident	-	present	A2, A3
Moustached Turca Pteroptochos megapodius	LC	resident	-	present	A2
Chucao Tapaculo Scelorchilus rubecula	LC	resident	-	present	A2, A3
Ochre-flanked Tapaculo Eugralla paradoxa	LC	resident	-	present	A2, A3
Dusky Tapaculo Scytalopus fuscus	LC	resident	-	present	A3
White-throated Treerunner Pygarrhichas albogularis	LC	resident	-	present	A3
Thorn-tailed Rayadito Aphrastura spinicauda	LC	resident	-	present	A3
Des Murs's Wiretail Sylviorthorhynchus desmurii	LC	resident	-	present	A3
Patagonian Tyrant Colorhamphus parvirostris	LC	resident	-	present	A3
Fire-eyed Diucon Xolmis pyrope	LC	resident	-	present	A3
Chilean Mockingbird Mimus thenca	LC	resident	-	present	A2

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

State (condition of the trigger species' habitats)
Habitat	Habitat detail	Reference area (ha)	Actual area (ha)	Habitat quantity (% remaining)	Habitat quality (carrying capacity)	Result
Forest		3000	2900	-	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Residential and commercial development	housing and urban areas	likely in long term (beyond 4 years)	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management planning has taken place	Some limited conservation initiatives are in place	low

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Nonguén	National Reserve	3,000	protected area contains site	2,931
Nonguen	Reserva Nacional	3,037	is identical to site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Forest		-

For more information about the IUCN Habitat classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Reserva Nacional Nonguén. Downloaded from http://datazone.birdlife.org/site/factsheet/reserva-nacional-nonguén-iba-chile on 30/11/2023.