• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as important in 2024 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
Parana Antwren Formicivora acutirostris	NT	resident	2023	min 96 individuals	B1a

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2024) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2024. The most recent assessment (2024) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
1992	Estação Ecológica Do Guaraguaçu	Estação Ecológica	27
1999	Atlantic Forest Southeast Reserves	World Heritage Site (natural or mixed)	15

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Freshwater marshes/swamps	minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rio Guaraguaçu (Brazil). Downloaded from https://datazone.birdlife.org/site/factsheet/rio-guaraguaçu-iba-brazil on 23/11/2024.