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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 Tucumán

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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Last published photographs

Foto
Photography ID: 536506
  Adult

Ruinas de los Quilmes
Tucumán
Argentina
01/07/2018
Martín Lépez
Foto
Photography ID: 462985
  Juvenile

Lamadrid
Tucumán
Argentina
07/08/2017
Jorge Schlemmer
Foto
Photography ID: 392399
 
Tafí del Valle
Tucumán
Argentina
03/15/2020
Viviana Fuentes
Foto
Photography ID: 378687
 
Tafí del Valle
Tucumán
Argentina
01/27/2020
Viviana Fuentes
Foto
Photography ID: 277335
 
Monteagudo
Tucumán
Argentina
07/14/2018
Hugo Caverzasi
Foto
Photography ID: 147819
  Juvenile

Amaicha del Valle
Tucumán
Argentina
04/21/2016
Maximiliano Sager



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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
202863629/04/2024ArgentinaTucumánRuta Nacional 40 (-26,326165, -65,957837)Julian Uriel Collado
202832829/04/2024ArgentinaTucumánRuta Nacional 40 (-26,326165, -65,957837)Silvina Collado
178252818/06/2023ArgentinaTucumánRuinas de los QuilmesDiego Carus
178218618/06/2023ArgentinaTucumánRuinas de los QuilmesMaria Belén Dri
123274015/03/2020ArgentinaTucumánRuta 307 entre Tafí del Valle y El Infiernillo, Tafí del ValleViviana Fuentes
119731627/01/2020ArgentinaTucumánAmaicha Del Valle - El Paso - Ruta 40, Tafí del ValleViviana Fuentes
95388409/07/2019ArgentinaTucumánRuta entre Tafi del Valle y Cafayate1Gonzalo Camiletti
78366314/07/2018ArgentinaTucumánRuta 157 cercano a monteagudo, MonteagudoHugo Caverzasi
78239314/07/2018ArgentinaTucumánRuta 157 cercano a monteagudo, Monteagudo1Dario Juan Wendeler
77789211/07/2018ArgentinaTucumánRuta Provincial 307 - Entre Tafí del Valle y El InfiernilloFacundo Rosati
Page 1

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Citation recommended:

EcoRegistros. 2026. Harris´s Hawk (Parabuteo unicinctus) - Species sheet. Acceded from https://www.ecoregistros.org on 26/03/2026.