Pteroglossus castanotis
Silhouette: Edwin Price · PhyloPic
In 3 days ~20% in a week ~40%
The chestnut-eared aracari or chestnut-eared araçari (Pteroglossus castanotis) is a near-passerine bird in the toucan family Ramphastidae. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, and Peru.
The chestnut-eared aracari is 43 to 47 cm (17 to 19 in) long and weighs 220 to 310 g (7.8 to 11 oz). Males and females have the same bill coloration, though the female's bill is shorter. The bills of nominate subspecies adults have a yellow line at the base and a mostly black mandible. The maxilla has a black stripe on the culmen, a triangle of black narrowing toward the tip, orange-yellow between them, and black and ivory markings on the edge that look like teeth. Adult males have a black crown and upper nape, a chestnut lower nape, a dark green back, and a red rump. They have blue facial skin and the sides of their face and their upper throat are brown to chestnut. Their lower throat is black, their breast yellow, their lower breast red and chestnut-black, their belly yellow, and their...
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iguazú National Park | 🇦🇷 Argentina | |
| 2 | Iguaçu National Park | 🇧🇷 Brazil | |
| 3 | Sierra de la Macarena National Park | 🇨🇴 Colombia | |
| 4 | Amboró National Park | 🇧🇴 Bolivia | |
| 5 | Yasuní National Park | 🇪🇨 Ecuador | |
| 6 | Manu National Park | 🇵🇪 Peru | |
| 7 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 8 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 9 | Tambopata National Reserve | 🇵🇪 Peru | |
| 10 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 11 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 12 | Madidi National Park | 🇧🇴 Bolivia | |
| 13 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 14 | Chingaza National Natural Park | 🇨🇴 Colombia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Campo Grande | 🇧🇷 Brazil | |
| 2 | Santa Cruz de la Sierra | 🇧🇴 Bolivia | |
| 3 | Asuncion | 🇵🇾 Paraguay |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | SeaWorld Abu Dhabi | 🇦🇪 United Arab Emirates | |
| 2 | Parque das Aves | 🇧🇷 Brazil | |
| 3 | Walsrode World Bird Park | 🇩🇪 Germany | |
| 4 | Hodonín Zoo | 🇨🇿 Czechia | |
| 5 | Singapore Zoo | 🇸🇬 Singapore | |
| 6 | Wilhelma | 🇩🇪 Germany | |
| 7 | Bird Paradise | 🇸🇬 Singapore | |
| 8 | Rainforest Wild Asia | 🇸🇬 Singapore | |
| 9 | Parque de las Leyendas | 🇵🇪 Peru | |
| 10 | Vogelpark Avifauna | 🇳🇱 Netherlands | |
| 11 | Bioparque Los Ocarros | 🇨🇴 Colombia | |
| 12 | Zoológico de Fauna Sudamericana | 🇧🇴 Bolivia | |
| 13 | Santacruz zoo | 🇨🇴 Colombia | |
| 14 | Selwo Marina | 🇪🇸 Spain | |
| 15 | Dallas World Aquarium | 🇺🇸 United States | |
| 16 | Amazon Rescue Center | 🇵🇪 Peru | |
| 17 | Cali Zoo | 🇨🇴 Colombia | |
| 18 | GüiráOga | 🇦🇷 Argentina |
With luck
About 10% of wildlife watchers report a Chestnut-eared Aracari sighting in Madidi National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 166th most-seen of the 239 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
January, August and October–November
In those months about 10% of wildlife watchers report a Chestnut-eared Aracari in Madidi National Park on a given day, against under 5% in February, April–July and September, the lowest months. March and December have too few records to rate.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Chestnut-eared Aracari sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
12th of 14
Of the 14 parks where we can rate Chestnut-eared Aracari sightings, Madidi National Park ranks 12th at about 10%. The best odds are in Iguazú National Park (Argentina, about 40%), Iguaçu National Park (Brazil, about 40%) and Sierra de la Macarena National Park (Colombia, about 40%). All parks ranked.
Same family: Ramphastidae
The closest relatives of the Chestnut-eared Aracari that you can see in Madidi National Park (family Ramphastidae, Toucans) are White-throated Toucan (about 20%) and Toco Toucan (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Chestnut-eared Aracari is recorded against all the birds logged in Madidi National Park (11 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.
