Rio Suno Antwren
VU

Rio Suno Antwren

Myrmotherula sunensis

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Rio_Suno_antwren

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Rio Suno Antwren faces severe pressure from rapid deforestation and habitat fragmentation across its limited range in the western Amazon basin. Oil extraction activities and associated infrastructure development have destroyed significant portions of its lowland rainforest habitat, while agricultural expansion continues to fragment remaining forest patches. The species' specialized foraging behavior in the forest understory makes it particularly vulnerable to habitat degradation and edge effects.

Threat summary

Habitat

The Rio Suno Antwren inhabits the understory and midstory of primary lowland rainforest in the western Amazon basin, typically below 400 meters elevation. It prefers dense, humid forest with complex vegetation structure and is particularly associated with areas near streams and rivers.

Other threatened species in Thamnophilidae

Ocellated AntbirdEN

Ocellated Antbird

Phaenostictus mcleannani

Unknown
Stub-tailed AntbirdVU

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Western AntvireoVU

Western Antvireo

Dysithamnus occidentalis

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Spiny-faced AntshrikeVU

Spiny-faced Antshrike

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Threatened in Colombia

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Helena's Marsupial Frog

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Varied White-fronted Capuchin

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Styrax duidae

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Baird's Tapir

Tapirus bairdii

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Frequently asked questions

Why is Rio Suno Antwren classified as Vulnerable?
Rio Suno Antwren is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Rio Suno Antwren faces severe pressure from rapid deforestation and habitat fragmentation across its limited range in the western Amazon basin. Oil extraction activities and associated infrastructure development have destroyed significant portions of its lowland rainforest habitat, while agricultural expansion continues to fragment remaining forest patches. The species' specialized foraging behavior in the forest understory makes it particularly vulnerable to habitat degradation and edge effects.
Where does Rio Suno Antwren live?
Rio Suno Antwren occurs in Colombia, Ecuador, and Peru. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Rio Suno Antwren?
The main threats to Rio Suno Antwren are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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