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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
Red Knot Calidris canutus	NT	non-breeding	2016	min 30 individuals	B1a
Semipalmated Sandpiper Calidris pusilla	NT	non-breeding	2016-2023	13-314 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.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Other	poor (40-69%)	poor (40-69%)	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	likely in long term (beyond 4 years)	majority/most of area/population (50-90%)	very rapid to severe deterioration	high
Residential and commercial development	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

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
2003	Área De Proteção Ambiental Plataforma Continental Do Litoral Norte	Área de Proteção Ambiental	4

Habitat1	Habitat detail	% of IBA
Other		major (>10)
Forest	Mangrove	-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mangue Seco (Brazil). Downloaded from https://datazone.birdlife.org/site/factsheet/mangue-seco-iba-brazil on 23/11/2024.