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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
Banded Quail Philortyx fasciatus	LC	resident	1995	common	A2
Beautiful Hummingbird Calothorax pulcher	LC	resident	1995	present	A2
Dusky Hummingbird Phaeoptila sordida	LC	resident	1995	common	A2
Balsas Screech-owl Megascops seductus	LC	resident	1995	common	A1, A2
Grey-breasted Woodpecker Melanerpes hypopolius	LC	resident	1995	abundant	A2
Pileated Flycatcher Xenotriccus mexicanus	LC	resident	1995	uncommon	A1, A2
Black-chested Sparrow Peucaea humeralis	LC	resident	1995	common	A2

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 (2022) is shown below.

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

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Residential and commercial development	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low
Energy production and mining	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low
Transportation and service corridors	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low
Biological resource use	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low
Pollution	happening now	some of area/population (10-49%)	no or imperceptible deterioration	low
Climate change and severe weather	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
Most of site (50-90%) covered (including the most critical parts for important bird species)	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
1993	Sierra de Huautla	Zona Sujeta a Conservación Ecológica	1
1999	Sierra de Huautla	Reserva de la Biosfera	20
2006	Sierra de Huautla	UNESCO-MAB Biosphere Reserve	20
2010	Palos Grandes	Reserva Estatal	<1
2010	El Pericon	Reserva Estatal	<1

Habitat1	Habitat detail	% of IBA
Forest	Palm forest, Pine-oak, Tropical deciduous	68
Shrubland	Scrub	minor (<10)

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	21
rangeland/pastureland	9
urban/industrial/transport	minor (<10)

Tenencia de la tierra: Ejidal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sierra de Huautla (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/sierra-de-huautla-iba-mexico on 23/11/2024.