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The site was identified as important in 2023 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
Lilac-crowned Amazon Amazona finschi	EN	resident	2021	902 individuals	A1
Yellow-headed Amazon Amazona oratrix	EN	resident	2020-2021	61-79 individuals	A1
Orange-fronted Parakeet Eupsittula canicularis	VU	resident	2021	100 individuals	A1
Military Macaw Ara militaris	VU	resident	2019	60 individuals	A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2023) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2023. The most recent assessment (2023) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	moderate (70-90%)	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Climate change and severe weather	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
Energy production and mining	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
2007	Zicuarán-Infiernillo	Reserva de la Biosfera	61
2007	Zicuarán-Infiernillo	Reserva de la Biosfera	6

Habitat1	Habitat detail	% of IBA
Forest	Second-growth & disturbed, Tropical coniferous, Tropical deciduous, Pine-oak	77
Wetlands (inland)	Freshwater lakes & pools	13

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	4
rangeland/pastureland	4

Tenencia de la tierra: Ejidal, privada y federal.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cuenca Baja del Balsas (Mexico). Downloaded from https://datazone.birdlife.org/site/factsheet/cuenca-baja-del-balsas-iba-mexico on 22/11/2024.