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 Accipitrida see Superfamily Accipitroidea Vieillot, 1816
                   Family Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
                     Subfamily Accipitrinae Vieillot, 1816 - hawks, eagles
                       Genus Leucopternis Kaup, 1847
                         01 Leucopternis plumbea Salvin, 1872 - plumbeous hawk see Leucopternis plumbeus Salvin, 1872
                         02 Leucopternis schistacea (Sundevall, 1850) - slate-colored hawk see Leucopternis schistaceus (Sundevall, 1850)
                         03 Leucopternis princeps Sclater, 1865 - barred hawk
                         04 Leucopternis melanops (Latham, 1790) - black-faced hawk
                         05 Leucopternis kuhli Bonaparte, 1850 - white-browed hawk
                         06 Leucopternis lacernulata (Temminck, 1827) - white-necked hawk see Leucopternis lacernulatus (Temminck, 1827)
                         07 Leucopternis semiplumbea Lawrence, 1861 - semiplumbeous hawk see Leucopternis semiplumbeus Lawrence, 1861
                         08 Leucopternis albicollis (Latham, 1790) - white hawk
                         09 Leucopternis occidentalis Salvin, 1876 - grey-backed hawk
                         10 Leucopternis polionota (Kaup, 1847) - mantled hawk see Leucopternis polionotus (Kaup, 1847)