Rufous-margined Antwren
Rufous-margined AntwrenRufous-margined Antwren

Rufous-margined Antwren

Herpsilochmus rufimarginatus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
30–40% · Possible
overall probability at Iguaçu National Park
1,260 Verified records at Iguaçu National Park
July Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The rufous-margined antwren (Herpsilochmus rufimarginatus) is an insectivorous bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds." It is found in Argentina, Brazil, and Paraguay. Wikipedia →

30–40% of wildlife watchers report a Rufous-margined Antwren sighting in Iguaçu National Park, based on 1,260 days of visitor records from GBIF citizen-science data.

Closest Relatives at Iguaçu National Park

Large-billed Antwren
LC

Large-billed Antwren

☀️ Diurnal Bird

Herpsilochmus longirostris

Insufficient data
Spot-backed Antshrike
LC

Spot-backed Antshrike

☀️ Diurnal Bird

Hypoedaleus guttatus

30–40% · Possible
Plain Antvireo
LC

Plain Antvireo

☀️ Diurnal Bird

Dysithamnus mentalis

30–40% · Possible
White-shouldered Fire-eye
LC

White-shouldered Fire-eye

☀️ Diurnal Bird

Pyriglena leucoptera

20–30% · Possible
Variable Antshrike
LC

Variable Antshrike

☀️ Diurnal Bird

Thamnophilus caerulescens

20–30% · Possible
Streak-capped Antwren
LC

Streak-capped Antwren

☀️ Diurnal Bird

Terenura maculata

10–20% · With luck
Tufted Antshrike
LC

Tufted Antshrike

☀️ Diurnal Bird

Mackenziaena severa

10–20% · With luck
Barred Antshrike
LC

Barred Antshrike

☀️ Diurnal Bird

Thamnophilus doliatus

5–10% · With luck
Bertoni's Antbird
LC

Bertoni's Antbird

☀️ Diurnal Bird

Drymophila rubricollis

<5% · Rare
Large-tailed Antshrike
LC

Large-tailed Antshrike

☀️ Diurnal Bird

Mackenziaena leachii

<5% · Rare
Rufous-capped Antshrike
LC

Rufous-capped Antshrike

☀️ Diurnal Bird

Thamnophilus ruficapillus

<5% · Rare
Dusky-tailed Antbird
LC

Dusky-tailed Antbird

☀️ Diurnal Bird

Drymophila malura

<5% · Rare

📅 Monthly Probability

30–40
Jan
40–50
Feb
40–50
Mar
30–40
Apr
40–50
May
40–50
Jun
40–50
Jul
40–50
Aug
30–40
Sep
30–40
Oct
30–40
Nov
30–40
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Serra dos Órgãos National Park 🇧🇷 Brazil
40–50%
2 Iguaçu National Park 🇧🇷 Brazil
30–40%
3 Iguazú National Park 🇦🇷 Argentina
30–40%
4 Tijuca National Park 🇧🇷 Brazil
20–30%
5 Itatiaia National Park 🇧🇷 Brazil
10–20%
6 Serra da Canastra National Park 🇧🇷 Brazil
Insufficient data
7 Chapada Diamantina National Park 🇧🇷 Brazil
Insufficient data

Quick answers

What are the chances of seeing a Rufous-margined Antwren in Iguaçu National Park?

About 39% of wildlife watchers report a Rufous-margined Antwren sighting in Iguaçu National Park, based on 1,260 days of visitor records from GBIF citizen-science data.

When is the best time to see Rufous-margined Antwren in Iguaçu National Park?

July has the highest sighting rate for Rufous-margined Antwren in Iguaçu National Park in our monthly data.

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