Campylorhamphus trochilirostris
Silhouette: Sheatherius · PhyloPic
In 3 days ~30% in a week ~50%
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 →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 3 | Manu National Park | 🇵🇪 Peru | |
| 4 | Henri Pittier National Park | 🇻🇪 Venezuela | |
| 5 | Machalilla National Park | 🇪🇨 Ecuador | |
| 6 | Iberá National Park | 🇦🇷 Argentina | |
| 7 | Tambopata National Reserve | 🇵🇪 Peru | |
| 8 | Yasuní National Park | 🇪🇨 Ecuador |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Goiânia | 🇧🇷 Brazil | |
| 2 | Campo Grande | 🇧🇷 Brazil | |
| 3 | Caracas | 🇻🇪 Venezuela | |
| 4 | Asuncion | 🇵🇾 Paraguay |
With luck
About 10% of wildlife watchers report a Red-billed Scythebill sighting in Parque Estadual Encontro das Águas on a given day, based on 176 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 138th most-seen of the 308 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
June and November
In those months about 20% of wildlife watchers report a Red-billed Scythebill in Parque Estadual Encontro das Águas on a given day, against under 5% in October and December, the lowest months. January to April have too few records to rate.
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.
2nd of 8
Of the 8 parks where we can rate Red-billed Scythebill sightings, Parque Estadual Encontro das Águas ranks 2nd at about 10%. The best odds are in El Impenetrable National Park (Argentina, about 50%).
Same family: Furnariidae
The closest relatives of the Red-billed Scythebill that you can see in Parque Estadual Encontro das Águas (family Furnariidae, Ovenbirds and Woodcreepers) are Pale-legged Hornero (about 50%), Yellow-chinned Spinetail (about 50%) and Rufous Hornero (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Red-billed Scythebill is recorded against all the birds logged in Parque Estadual Encontro das Águas (176 verified sightings from 2019 to 2026), 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.
