Red-billed Scythebill

Red-billed Scythebill

Campylorhamphus trochilirostris

Silhouette: Sheatherius · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability <5% · Rare
at Asuncion

In 3 days <5% in a week ~10%

17 Verified sightings at Asuncion
801 In all 8 parks From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Red-billed Scythebill

The red-billed scythebill (Campylorhamphus trochilirostris) is a species of bird in the subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Panama, Paraguay, Peru, and Venezuela.

The red-billed scythebill and black-billed scythebill (C. falcularius) have at times been considered conspecific and also as sister species, but genetic data indicate neither is true. The red-billed and curve-billed scythebill (C. procurvoides) have also been suggested as sister species. Some of the subspecies are difficult to distinguish from each other. In addition, a small number of additional subspecies have been suggested to be split from existing... Wikipedia →

Sounds

Call0:34

Brazil · 2026

© JAYRSON ARAUJO DE OLIVEIRA · XC1135380 · CC BY-NC-SA 4.0

Aberrant0:35

Ecuador · 2025

© Charlie Vogt · XC1053611 · CC BY-NC-SA 4.0

Song0:07

Argentina · 2024

© Luciano Buck · XC973332 · CC BY-NC-SA 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 El Impenetrable National Park 🇦🇷 Argentina
~50%
2 Parque Estadual Encontro das Águas 🇧🇷 Brazil
~10%
3 Manu National Park 🇵🇪 Peru
~10%
4 Henri Pittier National Park 🇻🇪 Venezuela
~10%
5 Machalilla National Park 🇪🇨 Ecuador
<5%
6 Iberá National Park 🇦🇷 Argentina
<5%
7 Tambopata National Reserve 🇵🇪 Peru
<5%
8 Yasuní National Park 🇪🇨 Ecuador
<5%

Cities Where Found

# City Country Daily sighting probability
1 Goiânia 🇧🇷 Brazil
~10%
2 Campo Grande 🇧🇷 Brazil
<5%
3 Caracas 🇻🇪 Venezuela
<5%
4 Asuncion 🇵🇾 Paraguay
<5%

Before you go

What are the chances of seeing a Red-billed Scythebill in Asuncion?

Rare

Under 5% of wildlife watchers report a Red-billed Scythebill sighting in Asuncion on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 172nd most-seen of the 224 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.

When is the best time to see a Red-billed Scythebill in Asuncion?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Red-billed Scythebill in Asuncion on a given day, so our monthly data shows no clear season.

What time of day is best to see a Red-billed Scythebill?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Red-billed Scythebill sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Asuncion the best place to see a Red-billed Scythebill?

4th of 4

Of the 4 cities where we can rate Red-billed Scythebill sightings, Asuncion ranks 4th at under 5%. The best odds are in Goiânia (Brazil, about 10%), Campo Grande (Brazil, under 5%) and Caracas (Venezuela, under 5%).

Which relatives of the Red-billed Scythebill live in Asuncion?

Same family: Furnariidae

The closest relatives of the Red-billed Scythebill that you can see in Asuncion (family Furnariidae, Ovenbirds and Woodcreepers) are Rufous Hornero (about 80%), Narrow-billed Woodcreeper (about 40%) and Greater Thornbird (about 30%), with each one's daily chance of a sighting.

Where does the Red-billed Scythebill sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Red-billed Scythebill is recorded against all the birds logged in Asuncion (17 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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