Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Falconiformes Sharpe, 1874
           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