Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Falconiformes Sharpe, 1874
         Family Falconidae Vigors, 1824 - falcons, caracaras
           Subfamily Polyborinae Lafresnaye, 1839
             Genus Milvago Spix, 1824
               Milvago chimango (Vieillot, 1816) - Chimango caracara
                 1 Milvago chimango chimango (Vieillot, 1816)
                 2 Milvago chimango temucoensis Sclater, 1918