Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Ciconiiformes Bonaparte, 1854
             Suborder Ciconii see Suborder Ciconiae Bonaparte, 1854
               Infraorder Falconides Sharpe, 1874
                 Parvorder Falconida see Superfamily Falconoidea Vigors, 1824
                   Family Falconidae Vigors, 1824 - falcons, caracaras
                     01 Genus Daptrius Vieillot, 1816
                     02 Genus Phalcoboenus d'Orbigny, 1834
                     03 Genus Polyborus Vieillot, 1816, nom. illeg. see Genus Caracara Merrem, 1826
                     04 Genus Milvago Spix, 1824
                     05 Genus Herpetotheres Vieillot, 1817
                     06 Genus Micrastur Gray, 1841
                     07 Genus Spiziapteryx Kaup, 1852
                     08 Genus Polihierax Kaup, 1847
                     09 Genus Microhierax Sharpe, 1874
                     10 Genus Falco Linnaeus, 1758