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 Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
           Subfamily Accipitrinae Vieillot, 1816 - hawks, eagles
             Genus Leucopternis Kaup, 1847
               Leucopternis albicollis (Latham, 1790) - white hawk
                 1 Leucopternis albicollis ghiesbreghti (Du Bus, 1845)
                 2 Leucopternis albicollis costaricensis Sclater, 1919
                 3 Leucopternis albicollis williaminae Meyer de Schauensee, 1950
                 4 Leucopternis albicollis albicollis (Latham, 1790)