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 Mar del Plata

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: 647158
  Adult

Mar del Plata
Buenos Aires
Argentina
08/08/2025
Jorge Iriberri
Foto
Photography ID: 647157
  Immature

Mar del Plata
Buenos Aires
Argentina
08/08/2025
Jorge Iriberri
Foto
Photography ID: 646459
  Immature

Mar del Plata
Buenos Aires
Argentina
08/03/2025
Jorge Iriberri
Foto
Photography ID: 645361
  Adult

Mar del Plata
Buenos Aires
Argentina
05/01/2025
José Luis Ianiro
Foto
Photography ID: 644529
  Immature

Mar del Plata
Buenos Aires
Argentina
07/24/2025
Jorge Iriberri
Foto
Photography ID: 613774
  Adult

Mar del Plata
Buenos Aires
Argentina
01/07/2017
Walter Omar Buffarini
Foto
Photography ID: 572102
  Adult

Mar del Plata
Buenos Aires
Argentina
02/25/2024
Daniel Leoni
Foto
Photography ID: 562609
  Juvenile

Mar del Plata
Buenos Aires
Argentina
12/30/2023
Victor Hugo Michelini
Foto
Photography ID: 540703
  Adult

Mar del Plata
Buenos Aires
Argentina
06/10/2023
José Luis Ianiro
Foto
Photography ID: 528270
  Immature

Mar del Plata
Buenos Aires
Argentina
03/11/2023
José Luis Ianiro



 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
243869714/02/2026ArgentinaBuenos AiresChapadmalal, Mar del Plata3Victor Hugo Michelini
235130702/09/202510:13ArgentinaBuenos AiresAvenida Patricio Peralta Ramos 701, Mar del Plata1Nicolas Olejnik
234929830/08/202515:54ArgentinaBuenos AiresLas Heras 3876, Mar del Plata1Nicolas Olejnik
233885608/08/2025ArgentinaBuenos AiresReserva narutal del puerto, Mar del PlataJorge Iriberri
233341803/08/2025ArgentinaBuenos AiresReserva del Puerto, Mar del PlataJorge Iriberri
232544124/07/2025ArgentinaBuenos AiresLaguna de los Padres, Mar del PlataJorge Iriberri
232312219/07/2025ArgentinaBuenos AiresLaguna de los Padres, Mar del Plata1Victor Hugo Michelini
232797701/05/2025ArgentinaBuenos AiresReserva Natural Paititi, Mar del Plata3José Luis Ianiro
224774008/02/2025ArgentinaBuenos AiresMar del Plata1Faustino Hollmann
225033630/01/2025ArgentinaBuenos AiresBatan, Mar del Plata2Victor Hugo Michelini
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.