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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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Records from San Javier

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: 680467
  Adult

San Javier
Santa Fe
Argentina
03/21/2026
Carlos Valpreda
Foto
Photography ID: 530354
  Adult

San Javier
Santa Fe
Argentina
03/24/2023
Gustavo Daniel González
Foto
Photography ID: 527245
  Adult

San Javier
Santa Fe
Argentina
03/03/2023
Max Uranga
Foto
Photography ID: 489821
  Adult

San Javier
Santa Fe
Argentina
03/19/2022
Karina Kondert
Foto
Photography ID: 489747
  Adult

San Javier
Santa Fe
Argentina
02/26/2022
Jorge Schlemmer
Foto
Photography ID: 440693
  Juvenile

San Javier
Santa Fe
Argentina
03/24/2021
Federico J. Villegas
Foto
Photography ID: 438485
  Juvenile

San Javier
Santa Fe
Argentina
03/24/2021
Pablo Eguia
Foto
Photography ID: 438484
  Juvenile

San Javier
Santa Fe
Argentina
03/24/2021
Pablo Eguia
Foto
Photography ID: 438481
  Juvenile

San Javier
Santa Fe
Argentina
03/24/2021
Pablo Eguia
Foto
Photography ID: 254956
  Juvenile

San Javier
Santa Fe
Argentina
03/16/2018
Maximiliano Sager



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 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
245436521/03/2026ArgentinaSanta FeCamino rural, San Javier2Carlos Valpreda
229437831/05/2025ArgentinaSanta FePraderas del Batitu, San Javier1Maximiliano Sager
195478025/03/2023ArgentinaSanta FeSan Javier, San Javier1Elisa Del Rosario Nuñez
174202624/03/2023ArgentinaSanta FeSan JavierGustavo Daniel González
176589418/03/2023ArgentinaSanta FeSan JavierRosana Ursino
173216603/03/2023ArgentinaSanta FeZona Arrocera, San JavierMax Uranga
160266820/06/2022ArgentinaSanta FePraderas del Batitu, San Javier2Maximiliano Sager
157008519/03/2022ArgentinaSanta FeZona de islas río San Javier cerca de Romang, San JavierKarina Kondert
156998026/02/2022ArgentinaSanta FeSan JavierJorge Schlemmer
145976822/08/2021ArgentinaSanta FePraderas del Batitu, San Javier3Maximiliano Sager
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 25/09/2026.