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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Ocellated Quail Cyrtonyx ocellatus	VU	resident	1995	present	A3
Wine-throated Hummingbird Selasphorus ellioti	LC	resident	1995	present	A3
White-eared Hummingbird Basilinna leucotis	LC	resident	1995	present	A3
Fulvous Owl Strix fulvescens	LC	resident	1995	present	A3
Resplendent Quetzal Pharomachrus mocinno	NT	resident	1995	present	A1
Blue-throated Motmot Aspatha gularis	LC	resident	1995	present	A3
Pine Flycatcher Empidonax affinis	LC	resident	1995	present	A3
Black-throated Jay Cyanolyca pumilo	LC	resident	1995	present	A3
Unicolored Jay Aphelocoma unicolor	LC	resident	1995	present	A3
Rufous-browed Wren Troglodytes rufociliatus	LC	resident	1995	present	A3
Rufous-collared Thrush Turdus rufitorques	LC	resident	1995	present	A3
Olive Warbler Peucedramus taeniatus	LC	resident	1995	present	A3
Black-capped Siskin Spinus atriceps	LC	resident	-	present	A3
Crescent-chested Warbler Oreothlypis superciliosa	LC	resident	1995	present	A3
Golden-cheeked Warbler Setophaga chrysoparia	EN	winter	1995	present	A1
Pink-headed Warbler Cardellina versicolor	LC	resident	1995	present	A1, A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2013) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Biological resource use	happening now	whole area/population (>90%)	slow but significant deterioration	high
Climate change and severe weather	happening now	whole area/population (>90%)	slow but significant 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 planning has taken place	Very little or no conservation action taking place	negligible

Habitat1	Habitat detail	% of IBA
Forest	Montane broadleaf evergreen, Tropical coniferous	100

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-

Tenencia de la tierra: Ejidal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cerros de Chalchihuitán (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/cerros-de-chalchihuitán-iba-mexico on 23/11/2024.