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Ramphastos dicolorus

Red-breasted Toucan


Ramphastos dicolorus

Linnaeus, C, 1766
Tucán Pico Verde
Tucano-de-bico-verde

Family: Ramphastidae
Order: Piciformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Conservation status according to BirdLife International: Least Concern


Description


Is a highly distinctive neotropical representative of the family Ramphastidae, characterized by its medium body size, reaching an average length of 40 to 48 centimeters and a body mass ranging between 265 and 400 grams. The dorsal plumage, crown, and hindneck are uniformly glossy black, creating a dramatic contrast with the bright yellow-orange throat and upper breast. The lower breast and abdomen feature a vibrant crimson red patch, which is a defining diagnostic feature of the species. Its bill is relatively short for the genus, measuring around 7 to 10 centimeters, and exhibits an atypical pale greenish-yellow coloration with a dark transverse band at the base and serrated red margins. The bare skin around the eyes is of a striking intense red hue, highlighting the light blue or greenish-blue iris. Sexual dimorphism is minimal, although males tend to exhibit slightly larger body dimensions and a longer, more robust bill structure.

Geographical distribution: Occurs as an endemic resident of the eastern and southern regions of South America. Its geographic range is restricted primarily to southeastern and southern Brazil (extending from southern Bahia down to Rio Grande do Sul), eastern Paraguay, and the far northeastern Argentina, particularly within the Misiones province.

Habitat: Primarily inhabits the wet, evergreen environments of the Atlantic Forest biome. It can be found in lowland tropical and subtropical forests as well as montane cloud forests at elevations reaching up to 1,500 meters above sea level. Although it prefers mature, undisturbed forest canopies, it demonstrates a degree of adaptability, occasionally utilizing secondary growth forests, gallery forests, and fruit orchards with adequate canopy cover.

Feeding: Exhibits an omnivorous diet with a strong emphasis on frugivory. It feeds on a wide variety of native forest fruits, showing a strong preference for the berries of palms such as Euterpe edulis, as well as wild figs (Ficus spp.) and fruits belonging to the Lauraceae and Myrtaceae families. To supplement its nutritional requirements, especially during the breeding season, it actively preys on large insects, spiders, small lizards, tree frogs, and the eggs and nestlings of smaller avian species.

Behavior: Typically ranges in pairs or small family groups of up to ten individuals that travel through the upper strata of the forest. It is not an long-distance flyer, relying instead on short, undulating flights and agile hops between branches in the canopy. It possesses a distinctive vocal repertoire, consisting of a dry, repetitive, frog-like croaking sound used to maintain contact with flock members. Seasonal altitudinal migrations are common, with populations moving to lower, warmer coastal valleys during the austral winter months in response to local food scarcity.

Nesting: Utilizes natural cavities in mature trees or abandoned nesting holes of large woodpecker species for its reproductive cycle. No nesting material is added, and the eggs are laid directly on the decaying wood dust at the bottom of the hollow. The clutch typically consists of 2 to 4 white eggs, incubated by both male and female parents for an estimated period of 16 to 19 days. The altricial chicks are born blind and featherless, depending entirely on parental care for 40 to 50 days before they are fully fledged and ready to leave the nest.

Conservation status: Classified as Least Concern (LC) on the IUCN Red List. Although the species remains relatively common within protected areas, its long-term survival is threatened by intense habitat fragmentation within the Atlantic Forest and ongoing pressure from the illegal wildlife trade, where it is targeted for its striking appearance.



Compilation and publication: EcoRegistros – 09/08/2026




Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 464598
  Adult

Parque Provincial Araucaria
Misiones
Argentina
09/22/2021
Silvina Collado
Foto
Photography ID: 353736
  Adult

Aristóbulo del Valle
Misiones
Argentina
09/27/2019
Silvina Collado
Foto
Photography ID: 245077
  Adult

Aristóbulo del Valle
Misiones
Argentina
01/24/2018
Silvina Collado
Foto
Photography ID: 145069
  Adult

Parque Nacional Iguazú
Misiones
Argentina
03/24/2016
Silvina Collado



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Species vocalizations

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Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
250894614/08/202615:00ArgentinaMisionesRuta Nacional 101 - Tierra colorada, Parque Nacional IguazúSilvina Collado
242415028/01/202606:23BrazilSão PauloSP-171 2218Silvina Collado
181332021/08/2023ArgentinaMisionesRuta Provincial Numero 15, Parque Provincial Caá YaríSilvina Collado
181258220/08/2023ArgentinaMisionesVía sin nombre (-26,529417, -53,955895)Silvina Collado
181258020/08/2023ArgentinaMisionesParque Provincial Cruce CaballeroSilvina Collado
181250420/08/2023ArgentinaMisionesParque Provincial PiñalitoSilvina Collado
181164819/08/2023ArgentinaMisionesParque Provincial Caá YaríSilvina Collado
164799725/09/2022ArgentinaMisionesRuta Nacional 101 - Tierra colorada, Parque Nacional IguazúSilvina Collado
160124416/06/2022ArgentinaMisionesParque Provincial Caá Yarí2Silvina Collado
150342422/11/2021ArgentinaMisionesRuta Nacional 101, Parque Nacional Iguazú1Silvina Collado
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Red-breasted Toucan (Ramphastos dicolorus) – Species account. Accessed from www.ecoregistros.org on 26/09/2026.