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The site was identified as internationally important for bird conservation in 2015 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 List	Season (year/s of estimate)	Size	IBA criteria
Highland Guan Penelopina nigra	VU	resident (2004)	present	A1, A3
Great Curassow Crax rubra	VU	resident (2003)	present	A1
Bearded Wood-partridge Dendrortyx barbatus	VU	resident (2009–2013)	50 birds	A1, A2, A3
Long-tailed Wood-partridge Dendrortyx macroura	LC	resident (1995–2008)	6 birds	A3
White-faced Quail-Dove Zentrygon albifacies	LC	resident (2004–2008)	present	A3
Amethyst-throated Mountain-gem Lampornis amethystinus	LC	resident (1995–2012)	13 birds	A3
Blue-throated Mountain-gem Lampornis clemenciae	LC	resident (1995–2011)	20 birds	A3
Garnet-throated Hummingbird Lamprolaima rhami	LC	resident (1995–2010)	17 birds	A3
Sparkling-tailed Woodstar Tilmatura dupontii	LC	resident (2008)	present	A3
Bumblebee Hummingbird Selasphorus heloisa	LC	resident (2008–2013)	36 birds	A3
White-eared Hummingbird Basilinna leucotis	LC	resident (1995–2014)	117 birds	A3
Emerald-chinned Hummingbird Abeillia abeillei	LC	resident (2013)	3 birds	A3
Mountain Trogon Trogon mexicanus	LC	resident (2004–2014)	108 birds	A3
White-striped Woodcreeper Lepidocolaptes leucogaster	LC	resident (2009–2013)	13 birds	A3
Buff-breasted Flycatcher Empidonax fulvifrons	LC	resident (2006–2010)	4	A3
Pine Flycatcher Empidonax affinis	LC	resident (2004–2013)	present	A3
Greater Pewee Contopus pertinax	LC	resident (1995–2013)	97 birds	A3
Chestnut-sided Shrike-vireo Vireolanius melitophrys	LC	resident (2004–2010)	81 birds	A3
Slaty Vireo Vireo brevipennis	LC	resident (2004–2012)	6 birds	A3
Unicolored Jay Aphelocoma unicolor	LC	resident (2004–2008)	4 birds	A3
Transvolcanic Jay Aphelocoma ultramarina	LC	resident (1995–2013)	3 birds	A3
Bridled Titmouse Baeolophus wollweberi	LC	resident (2006–2010)	3 birds	A3
Mexican Chickadee Poecile sclateri	LC	resident (1995–2013)	80 birds	A3
Sumichrast's Wren Hylorchilus sumichrasti	NT	resident (1990–2014)	63 birds	A1, A2
Grey-barred Wren Campylorhynchus megalopterus	LC	resident (1995–2010)	34 birds	A2, A3
Brown-backed Solitaire Myadestes occidentalis	LC	resident (2006–2014)	241 birds	A3
Slate-colored Solitaire Myadestes unicolor	LC	resident (2004–2014)	37 birds	A3
Aztec Thrush Ridgwayia pinicola	LC	resident (2009–2010)	present	A3
Russet Nightingale-thrush Catharus occidentalis	LC	resident (1995–2013)	133 birds	A3
Black Thrush Turdus infuscatus	LC	resident (2004–2010)	6 birds	A3
Grey Silky-flycatcher Ptiliogonys cinereus	LC	resident (1995–2014)	172 birds	A3
Olive Warbler Peucedramus taeniatus	LC	resident (1995–2013)	81 birds	A3
Blue-crowned Chlorophonia Chlorophonia occipitalis	LC	resident (2006–2008)	3 birds	A3
Hooded Grosbeak Hesperiphona abeillei	LC	resident (2004–2010)	9 birds	A3
Collared Towhee Pipilo ocai	LC	resident (1995–2014)	30 birds	A3
Rufous-capped Brushfinch Atlapetes pileatus	LC	resident (1995–2011)	66 birds	A3
White-throated Towhee Melozone albicollis	LC	resident (2008)	present	A3
Striped Sparrow Oriturus superciliosus	LC	resident (2010)	present	A3
Black-vented Oriole Icterus wagleri	LC	resident (2006–2011)	9 birds	A3
Crescent-chested Warbler Oreothlypis superciliosa	LC	resident (1995–2013)	113 birds	A3
Hooded Yellowthroat Geothlypis nelsoni	LC	resident (2004–2014)	16 birds	A3
Golden-cheeked Warbler Setophaga chrysoparia	EN	passage (2004–2010)	present	A1
Golden-browed Warbler Basileuterus belli	LC	resident (1995–2014)	132 birds	A3
Red-faced Warbler Cardellina rubrifrons	LC	winter (1995–2011)	13 birds	A3
Red Warbler Cardellina rubra	LC	resident (1995–2013)	52 birds	A3
Painted Whitestart Myioborus pictus	LC	resident (1995–2010)	7 birds	A3
Cinnamon-bellied Flowerpiercer Diglossa baritula	LC	resident (1995–2014)	17 birds	A3

Habitat	% of IBA	Habitat detail
Forest	70	Montane broadleaf evergreen; Pine; Pine-oak; Tropical semi-deciduous
Grassland	3	Second-growth & grazed
Artificial/Aquatic & Marine	1

Land use	% of IBA
agriculture	25

PRIVADA

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sierra de Zongolica-Tenango (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/sierra-de-zongolica-tenango-iba-mexico on 23/12/2024.