Birds
File:Herpsilochmus rufimarginatus.jpg

Rufous-margined Antwren

Rufous-margined Antwren

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Spotted
The Rufous-margined Antwren is a small, active antwren characterized by rufous edgings on its wing feathers. It inhabits the mid-story of humid lowland and foothill forests.
Where to spot
Widespread but disjunct populations across South America: southeastern Brazil (Atlantic Forest), eastern Peru, northern Bolivia, and parts of the Guianas.
How to spot
Look for it in the mid-story and lower canopy of humid forests, often in association with mixed-species flocks. Its rufous wing margins are a key visual cue, but vocalizations are often the best identifier.
When to spot
Year-round resident. Most active during the early morning hours.
File:Herpsilochmus rufimarginatus.jpg
File:Herpsilochmus rufimarginatus.jpg
Credits: Wikimedia Commons
This species exhibits slight geographical variation in vocalizations, leading to its recent split into northern and southern species, underscoring the subtle distinctions within antbird lineages and the importance of sound in identification.
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