Pteroglossus castanotis
Silhouette: Edwin Price · PhyloPic
In 3 days ~50% in a week ~80%
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... Wikipedia →
| # | 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 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 13 | 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 |
Possible
About 20% of wildlife watchers report a Chestnut-eared Aracari sighting in Chapada dos Guimarães National Park on a given day, based on 150 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 69th most-seen of the 273 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
May–August and October
In those months about 20% of wildlife watchers report a Chestnut-eared Aracari in Chapada dos Guimarães National Park on a given day, against about 10% in September and November–January, the lowest months. Those are among Chapada dos Guimarães National Park's driest months, with about 30 mm of rain a month against 240 mm in March. February to April have too few records to rate.
Between 3 and 6 pm
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.
7th of 13
Of the 13 parks where we can rate Chestnut-eared Aracari sightings, Chapada dos Guimarães National Park ranks 7th at about 20%. 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.
GBIF citizen-science records
It is estimated from how often the Chestnut-eared Aracari is recorded against all the birds logged in Chapada dos Guimarães National Park (150 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.
