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Buteogallus meridionalis

Savanna Hawk


Buteogallus meridionalis

(Latham, J, 1790)
Aguilucho Colorado
Gaviao-caboclo

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

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Other common names: Gavilán Sabanero, Gavilán Cangrejero Colorado, Busardo Sabanero.

Synonyms: Heterospizias meridionalis, Falco meridionalis.





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Conservation status according to BirdLife International: Least Concern


Description


Exhibits a slender silhouette and an elegant posture, characterized as a medium-to-large raptor classified scientifically as Buteogallus meridionalis, with a body length ranging from 18 to 24 inches (46 to 61 centimeters) and a wingspan that can reach up to 47 inches (120 centimeters). The adult plumage features a striking rufous or cinnamon-orange coloration across most of the body, adorned with delicate, dark gray or black transverse barring on the breast and abdomen. The wings are broad and rounded, displaying black primary feathers at their tips, which creates a sharp chromatic contrast in flight. The tail is relatively short and black, interrupted by a highly conspicuous white central band and a white terminal tip. Its lower limbs are remarkably long, featherless, and a bright yellow, specialized for walking and running on the ground. The eyes have a light brown to yellowish iris, complemented by a yellow cere and a sharp, hooked black bill.

Geographical distribution: Distributed widely across the Neotropical region, covering a vast territorial range that begins in southern Central America, specifically in Panama, and extends continuously throughout South America. Its presence is highly common in countries such as Colombia, Venezuela (especially in the Llanos region), Trinidad and Tobago, Guyana, Suriname, and French Guiana. To the south, its distribution encompasses almost the entirety of Brazil (excluding the densely forested Amazon Basin), extending through Bolivia, Paraguay, northern and central Argentina, and reaching the northernmost borders of Uruguay.

Habitat: Prefers open and semi-open ecosystems, showing a strong predilection for flooded savannas, wet grasslands, alluvial plains, and the margins of marshes and estuaries. It is a highly adaptable species that coexists well with human activities, frequently spotted in agricultural fields, livestock pastures, and areas with low secondary vegetation. It strictly avoids dense forest formations, such as continuous tropical rainforests, requiring the presence of scattered trees, power poles, or fence posts to serve as vital hunting perches.

Feeding: Possesses a highly opportunistic and generalist diet, adapting its hunting strategy to seasonal resource availability. It actively feeds on a wide variety of prey captured directly on the ground, including small mammals like rodents, reptiles such as lizards and medium-sized snakes, anfíbians, freshwater crabs, and a massive quantity of large invertebrates, notably grasshoppers, beetles, and caterpillars. Occasionally, it supplements its diet with small fish trapped in drying temporary pools, as well as young birds that fall from their nests.

Behavior: Typically observed singly or in territorial pairs, perched upright on wooden fence posts, low branches, or mounds of earth along roadsides. It is an excellent soaring flyer that utilizes thermal currents to gain altitude, performing slow, majestic patrol flights. One of its most fascinating and iconic behaviors is its attraction to grass fires and agricultural burns; this raptor actively flies toward the fire fronts to efficiently capture fleeing animals escaping the flames. It emits a highly characteristic call, described as a loud, high-pitched, and harsh scream, used to defend territory and communicate with its mate.

Nesting: The breeding season is generally associated with the transition between the dry season and the onset of the rains. It constructs a voluminous platform nest using dry twigs and sticks, lining the interior with green leaves and soft grasses for cushioning. This structure is usually placed at variable heights, typically between 16 and 50 feet (5 to 15 meters), preferably in the crown of palm trees or scattered trees with dense foliage to guarantee protection from predators. The female usually lays a single white or bluish-white egg, occasionally decorated with faint brown speckles. Both parents actively participate in the incubation process, which lasts approximately 35 to 40 days, as well as in the subsequent feeding and defense of the chick.

Conservation status: Listed as a species of Least Concern (LC) on the IUCN Red List of Threatened Species. Its global population is considered stable and even expanding in certain regions, as the clearing of primary forests for cattle ranching and agricultural expansion has created new suitable habitats for colonization. It faces no critical large-scale threats, though agrochemical contamination in intensive farming zones represents a potential risk to its reproductive health.



Compilation and publication: EcoRegistros – 19/07/2026




Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 408419
  Adult

Ceibas
Entre Ríos
Argentina
10/11/2014
Vicente Piccirillo
Foto
Photography ID: 407130
  Juvenile

Ceibas
Entre Ríos
Argentina
03/29/2014
Vicente Piccirillo
Foto
Photography ID: 396739
  Adult

Campo quijano
Salta
Argentina
07/31/2014
Enrique Sanz
Foto
Photography ID: 249532
  Adult

Campo quijano
Salta
Argentina
07/31/2014
Lucas Sanz
Foto
Photography ID: 195162
  Adult

Aquidauana
Mato Grosso do Sul
Brazil
01/15/2014
Glauco Oliveira
Foto
Photography ID: 162957
 
Ceibas
Entre Ríos
Argentina
11/22/2014
Rodolfo Capdevielle
Foto
Photography ID: 135447
  Adult

Ceibas
Entre Ríos
Argentina
11/08/2014
Luciano Acquaviva
Foto
Photography ID: 106109
  Adult

Concordia
Entre Ríos
Argentina
04/09/2014
Samuel Ernesto Olivieri Bornand



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Species vocalizations

Last vocalizations published



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Species videos

Last filmings published


Video ID: 777
  Immature

Las Avispas
Santa Fe
Argentina
12/06/2014
Pablo Capovilla



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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
21419628/12/2014ArgentinaEntre RíosCeibasRodolfo Seró
25288027/12/2014ArgentinaEntre RíosCeibasCarlos F. Danti
24045927/12/2014ArgentinaChacoEl Zanjón, QuitilipiHéctor Bernardo Fernández
21490026/12/2014ArgentinaEntre RíosCeibasAlec Earnshaw
21480825/12/2014ArgentinaEntre RíosPerdicesAlec Earnshaw
21671323/12/2014ArgentinaCorrientesCañada Fragosa, Mburucuyá (localidad)Esteban Geronimo Javier Luque
21196321/12/2014ArgentinaEntre RíosCeibasHugo Oscar Graglia
21148721/12/2014ArgentinaEntre RíosCeibasJorge La Grotteria
21320520/12/2014ArgentinaCorrientesPaso de la PatriaLuis Fernandez Campos
20956213/12/2014ArgentinaEntre RíosCeibasEduardo Cusano
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Savanna Hawk (Buteogallus meridionalis) – Species account. Accessed from www.ecoregistros.org on 22/09/2026.