Don't want to see ads? Sign up...





Species icon
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

 Request change
Filters

Records from Necochea

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




Loading map...




Last published photographs

Foto
Photography ID: 615190
  Immature

Necochea
Buenos Aires
Argentina
03/01/2024
Ramon Moller Jensen
Foto
Photography ID: 615187
  Immature

Necochea
Buenos Aires
Argentina
03/01/2024
Ramon Moller Jensen
Foto
Photography ID: 615183
  Immature

Necochea
Buenos Aires
Argentina
03/01/2024
Ramon Moller Jensen
Foto
Photography ID: 522977
  Juvenile

Necochea
Buenos Aires
Argentina
09/16/2008
Ramon Moller Jensen
Foto
Photography ID: 254145
  Adult

Necochea
Buenos Aires
Argentina
03/14/2018
Fernando Alberto Segura
Foto
Photography ID: 188111
  Juvenile

Necochea
Buenos Aires
Argentina
01/06/2017
Fernando Alberto Segura
Foto
Photography ID: 136368
  Juvenile

Necochea
Buenos Aires
Argentina
01/30/2016
Fernando Alberto Segura
Foto
Photography ID: 110147
  Juvenile

Necochea
Buenos Aires
Argentina
08/16/2015
Orlando Oses
Foto
Photography ID: 101200
  Juvenile

Necochea
Buenos Aires
Argentina
05/26/2015
Fernando Alberto Segura



 View all photographs of the species




 Add a photography of this species





Last Vocalizations published




 Add an audio of this species





Last Filmings published




 Add a film of this species





 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
227321514/04/202511:00ArgentinaBuenos AiresNecochea2Santiago Juan Torres
211006412/07/2024ArgentinaBuenos AiresCamino ribereño del Rio Quequén Grande, Necochea2Gabriel Carbajales
206002613/04/2024ArgentinaBuenos AiresCalle 86, Necochea1Lautaro Pereira
206003704/04/2024ArgentinaBuenos AiresLago de los cisnes, Necochea1Lautaro Pereira
206004124/03/2024ArgentinaBuenos AiresNecochea--Embocadero de Río Quequén, Necochea1Lautaro Pereira
221143401/03/2024ArgentinaBuenos AiresZona Rural cercana a Necochea, NecocheaRamon Moller Jensen
206003606/01/2024ArgentinaBuenos AiresCamino ribereño del Rio Quequén Grande, Necochea1Lautaro Pereira
188583621/09/2023ArgentinaBuenos AiresRuta Nacional 228, Necochea1Santiago Juan Torres
206003512/09/2023ArgentinaBuenos AiresCamino ribereño del Rio Quequén Grande, Necochea5Lautaro Pereira
206004510/08/2023ArgentinaBuenos AiresNecochea--Parque Miguel Lillo, Necochea5Lautaro Pereira
Page 1

 Add a record of this species

Citation recommended:

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