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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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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: 652383
  Juvenile

Godoy Cruz
Mendoza
Argentina
09/16/2025
Damián Carnevale
Foto
Photography ID: 647159
  Immature

Godoy Cruz
Mendoza
Argentina
08/02/2025
Damián Carnevale
Foto
Photography ID: 643698
  Adult

Capital
Mendoza
Argentina
07/20/2025
Damián Carnevale
Foto
Photography ID: 628462
♂ ♀
  Adult

Lujan de Cuyo
Mendoza
Argentina
03/27/2025
Damián Carnevale
Foto
Photography ID: 588262
  Immature

Ciudad de Mendoza
Mendoza
Argentina
06/21/2024
Damián Carnevale
Foto
Photography ID: 585949
  Immature

Lavalle
Mendoza
Argentina
05/31/2024
Damián Carnevale
Foto
Photography ID: 585379
  Adult

Potrerillos
Mendoza
Argentina
05/25/2024
Damián Carnevale
Foto
Photography ID: 577268
  Juvenile

Guaymallén
Mendoza
Argentina
03/24/2024
Damián Carnevale
Foto
Photography ID: 560057
  Adult

Capital
Mendoza
Argentina
06/12/2023
Damián Carnevale
Foto
Photography ID: 2699
  Adult

San Rafael
Mendoza
Argentina
08/03/2010
Damián Carnevale



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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
235950516/09/2025ArgentinaMendozaVilla Hipódromo, Godoy CruzDamián Carnevale
233885702/08/2025ArgentinaMendozaVilla Hipódromo, Godoy CruzDamián Carnevale
232325620/07/2025ArgentinaMendozaParque general san martin, CapitalDamián Carnevale
226709927/03/2025ArgentinaMendozaLujan de CuyoDamián Carnevale
204759121/06/2024ArgentinaMendozaCiudad de MendozaDamián Carnevale
203981331/05/2024ArgentinaMendozaPlanta de tratamiento de efluentes El Paramillo, LavalleDamián Carnevale
203734925/05/2024ArgentinaMendozaLos Zorzales, PotrerillosDamián Carnevale
201427124/03/2024ArgentinaMendozaDorrego, GuaymallénDamián Carnevale
192974512/06/2023ArgentinaMendozaParque general san martin, CapitalDamián Carnevale
866403/08/2010ArgentinaMendozaSan RafaelDamián Carnevale
Page 1

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Citation recommended:

EcoRegistros. 2026. Harris´s Hawk (Parabuteo unicinctus) - Species sheet. Acceded from https://www.ecoregistros.org on 25/03/2026.