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 Circus Lacépède, 1799
               Circus aeruginosus (Linnaeus, 1758) - western marsh-harrier
                 Circus aeruginosus harterti Zedlitz, 1914