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Harris´s Hawk

Parabuteo unicinctus
(Temminck, CJ, 1824)
Gavilán Mixto
Gavião-asa-de-telha

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

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Records from Ceibas

Conservation Status according to BirdLife International: Least Concern

Synonyms: Falco unicinctus.

Subspecies:


Description: A medium-to-large raptor with an elegant outline, easily recognized by the contrast between its dark brown body, rich rufous wing coverts, and paler legs and tail base. A prominent white tail band is visible both perched and in flight. Its robust head, hooked bluish-gray bill and long yellowish tarsi lend it a powerful and agile appearance, well suited for maneuvering through shrubs and open spaces.

Geographical distribution: Ranges widely across the Americas, from the southwestern United States and Mexico through Central America and extensive areas of South America, including Brazil, Bolivia, Paraguay, Uruguay, Chile, and Argentina. It is most common in arid and semiarid regions with low vegetation, where small prey and elevated perches are readily available.

Habitat: Occupies open or semi-open environments such as scrublands, savannas, dry forests, arid zones, grasslands, and rural landscapes with scattered trees. It tolerates modified habitats when they provide open spaces for hunting and natural or artificial structures for perching.

Diet: Predominantly consumes small mammals, small birds, reptiles and occasionally large insects. A versatile hunter, it combines low flights, short pursuits and ambushes from elevated perches. One of its most distinctive traits is the ability to engage in cooperative hunting, where coordinated group strategies greatly increase capture success.

Behavior: Notably social for a raptor, forming family groups that may include several individuals assisting in territory defense, hunting and raising the young. Its flight is broad and controlled, alternating glides with strong wingbeats. Frequent use of fence posts, branches and other elevated points reflects its constant vigilance behavior.

Breeding: Builds nests in medium to tall trees, on columnar cacti or occasionally on human-made structures. Nests consist of sturdy branches forming a platform reused over multiple seasons. Typical clutches contain two to four eggs, mostly incubated by the female. Juveniles remain with the group for an extended period, learning cooperative hunting before dispersing.

Conservation status: Listed as Least Concern, with stable populations throughout most of its range. Its cooperative behavior and adaptability to open habitats favor its persistence, though localized threats include habitat degradation and persecution.


Author of this compilation: EcoRegistros – 08/12/2025




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Latest feeding records
Feeding
GroupSpeciesDateUser
MammalsCuis Grande (Cavia aperea)03/09/2024Diego Oscar




Last published photographs

Foto
Photography ID: 639953
 
Ceibas
Entre Ríos
Argentina
06/07/2025
Diego Oscar
Foto
Photography ID: 639952
  Immature

Ceibas
Entre Ríos
Argentina
06/07/2025
Diego Oscar
Foto
Photography ID: 407134
  Juvenile

Ceibas
Entre Ríos
Argentina
03/29/2014
Vicente Piccirillo
Foto
Photography ID: 308766
 
Ceibas
Entre Ríos
Argentina
12/09/2018
Hernán Tolosa
Foto
Photography ID: 257681
  Juvenile

Ceibas
Entre Ríos
Argentina
03/30/2018
Eduardo Cusano
Foto
Photography ID: 45514
  Juvenile

Ceibas
Entre Ríos
Argentina
03/23/2014
Eduardo Cusano
Foto
Photography ID: 45405
  Adult

Ceibas
Entre Ríos
Argentina
03/23/2014
Eduardo Cusano



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
241435104/01/2026ArgentinaEntre RíosTerraplen, Ceibas1Gabriel Carbajales
238999821/11/2025ArgentinaEntre RíosCeibas1Gabriel Carbajales
237987025/10/2025ArgentinaEntre RíosCamino principal, Ceibas4Carlos Enrique Alvarez
232117113/07/2025ArgentinaEntre RíosHotel Ceibas, Ceibas1Gabriel Carbajales
231649705/07/2025ArgentinaEntre RíosCeibas1Diego Oscar
230676416/06/2025ArgentinaEntre RíosTerraplen, Ceibas1Gabriel Carbajales
230340407/06/2025ArgentinaEntre RíosCeibas1Diego Oscar
229938507/06/2025ArgentinaEntre RíosCamino Ceibas - Ñancay, Ceibas3Carlos Enrique Alvarez
227313412/04/202517:47ArgentinaEntre RíosCeibas1Pablo Richter
228656802/04/2025ArgentinaEntre RíosCeibasElsa Longo
Page 1

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Citation recommended:

EcoRegistros. 2026. Harris´s Hawk (Parabuteo unicinctus) - Species sheet. Acceded from https://www.ecoregistros.org on 10/03/2026.