Don't want to see ads? Sign up...




Species icon
Black-chested Buzzard-Eagle

Geranoaetus melanoleucus
(Vieillot, LJP, 1819)
Águila Mora
Águia-chilena

Family: Accipitridae
Order: Accipitriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

 Request change
Filters


Conservation status according to BirdLife International: Least Concern

Synonyms: Spizaetus melanoleucus.

Subspecies:


Description: It is a large raptor with a robust build and powerful silhouette, featuring broad wings and a relatively short tail. Adult plumage shows a strong contrast between the dark upperparts and pale underparts, with whitish breast and belly finely barred. The head is dark gray, the bill strong and hooked, and the legs long and muscular, well adapted for capturing sizeable prey.

Geographic distribution: It is widely distributed across South America, ranging from southern Colombia and Peru to southernmost Argentina and Chile. In Argentina, it occurs throughout much of the country, from Andean regions to Patagonian plains, demonstrating remarkable ecological flexibility.

Habitat: It occupies a wide variety of open environments, including steppes, grasslands, mountainous areas, plateaus, and semi-arid regions. The species favors landscapes with broad visibility, allowing efficient use of thermal currents and long-distance prey detection.

Feeding: Its diet is carnivorous and diverse, consisting mainly of small to medium-sized mammals, such as rodents and hares, as well as birds, reptiles, and occasionally carrion. It is an efficient predator, capable of hunting both from low flight and elevated perches.

Behavior: The species is generally solitary or found in pairs, performing wide soaring flights that rely heavily on thermals. It becomes territorial during the breeding season and is often seen perched on rocks, poles, or natural elevations, scanning the surroundings.

Nesting: Breeding occurs mainly in spring. It builds large nests, often reused for several years, placed on rocky ledges, cliffs, or tall trees. The clutch usually includes one to two eggs, incubated by both adults, followed by an extended period of parental care.

Conservation status: It is classified as a species of Least Concern, with relatively stable populations throughout most of its range. However, local threats include human persecution, prey depletion, and habitat alteration.


Author of this compilation: EcoRegistros – 16/12/2025





🌿 EcoRegistros Revista - Related Articles





Loading map...




Last published photographs

Foto
Photography ID: 677141
  Adult

La Rinconada
Neuquén
Argentina
02/13/2026
Guillermo Marcaida
Foto
Photography ID: 649891
  Adult

El Infiernillo
Tucumán
Argentina
07/07/2025
Guillermo Marcaida
Foto
Photography ID: 647547
  Immature

Villa dolores
Córdoba
Argentina
06/03/2025
Guillermo Marcaida
Foto
Photography ID: 616901
  Adult

Merlo
San Luis
Argentina
12/20/2024
Guillermo Marcaida
Foto
Photography ID: 616900
  Adult

Merlo
San Luis
Argentina
12/20/2024
Guillermo Marcaida
Foto
Photography ID: 614560
  Adult

El Infiernillo
Tucumán
Argentina
10/27/2024
Guillermo Marcaida
Foto
Photography ID: 587036
  Adult

Anchorena
San Luis
Argentina
05/19/2024
Guillermo Marcaida
Foto
Photography ID: 515132
  Immature

El Infiernillo
Tucumán
Argentina
09/19/2022
Guillermo Marcaida
Foto
Photography ID: 382552
  Adult

Ushuaia
Tierra del Fuego
Argentina
01/07/2020
Guillermo Marcaida



 View all photographs of the species




 Add a photography of this species





Last Vocalizations published




 Add an audio of this species





Last Filmings published




 Add a film of this species





 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
244522513/02/2026ArgentinaNeuquénRuta 40 y puente sobre el Collon Cura, La RinconadaGuillermo Marcaida
235133707/07/2025ArgentinaTucumánSobre Ruta 307 entre El Infiernillo y Tafí del Valle, El InfiernilloGuillermo Marcaida
231580907/07/202515:11ArgentinaTucumánRuta Provincial 307, Tafí del ValleGuillermo Marcaida
234030603/06/2025ArgentinaCórdobaRuta 148, Villa doloresGuillermo Marcaida
229501803/06/202508:35ArgentinaCórdobaRuta Nacional 148Guillermo Marcaida
222809820/12/2024ArgentinaSan LuisCamino al Filo, MerloGuillermo Marcaida
220841227/10/2024ArgentinaTucumánSobre Ruta 307 entre El Infiernillo y Tafí del Valle, El InfiernilloGuillermo Marcaida
213804630/07/2024ArgentinaCorrientesRuta 12 cerca de Paso de la PatriaGuillermo Marcaida
204310419/05/2024ArgentinaSan LuisRuta Prov. 55 cerca de Anchorena, AnchorenaGuillermo Marcaida
191730727/09/2023ArgentinaSaltaJoaquin V Gonzalez1Guillermo Marcaida
Page 1

 Add a record of this species

Citation recommended:

EcoRegistros. 2026. Black-chested Buzzard-Eagle (Geranoaetus melanoleucus) - Species sheet. Acceded from https://www.ecoregistros.org on 06/04/2026.