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      Enganche aéreo de garras entre un Aguilucho Andino (Buteo albigula) y un Aguilucho Común (Buteo polyosoma) en el centro-sur de Chile Translated title: Aerial talon-grappling between the White-throated Hawk (Buteo albigula) and Red-backed Hawk (Buteo polyosoma) in central-south Chile

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          Abstract

          Durante el verano de 2002 observé un contacto agresivo directo entre un Aguilucho Andino y un Aguilucho Común en el centro-sur de Chile. Ambas aves, en vuelo, se engancharon de sus garras y empujaron sus pies en el sentido de su contrincante, girando brevemente a modo de "rueda de carreta". Después de eso, ambas aves desengancharon sus garras. Ningún daño físico ni pérdida del control aerodinámico fueron visibles. Este tipo de demostración agresiva, utilizado presumiblemente como defensa territorial, sería el primero documentado para Falconiformes en Chile.

          Translated abstract

          During the summer of 2002, I observed a direct aggressive contact between a White-throated Hawk and a Red-backed Hawk in central-south Chile. Each of the hawks in flight grappled its talons with the other, and pushed its feet against its opponent, rotating briefly downward in "cartwheels". Afterwards, the birds broke free of each other's talons. No injury or loss of aerodynamic control was apparent. This type of antagonistic display, utilized presumably as territorial defense, would be the first reported for Falconiforms in Chile.

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          Most cited references13

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          Population Ecology of Raptors.

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            Behavioral Ecology of Grey Eagle-Buzzards, Geranoaetus melanoleucus, in Central Chile

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              Aerial talon-grappling in Northern Harriers

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                Author and article information

                Journal
                hornero
                El hornero
                Hornero
                Aves Argentinas/Asociación Ornitológica del Plata (Ciudad Autónoma de Buenos Aires, , Argentina )
                0073-3407
                1850-4884
                August 2003
                : 18
                : 1
                : 53-55
                Affiliations
                [01] Chillán orgnameEstudios para la Conservación y Manejo de la Vida Silvestre Consultores Chile asio@ 123456surnet.cl
                Article
                S0073-34072003000100007 S0073-3407(03)01800100007
                e0882a0c-f1cf-4315-b793-64e093c937d4

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 04 April 2003
                : 18 July 2003
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 13, Pages: 3
                Product

                SciELO Argentina


                rotación,Buteo polyosoma,enganche aéreo de garras,"cartwheel-like" rotation,Buteo albigula,aerial talon-grappling

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