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] Strigiformes Wagler, 1830 - owls
         Family Strigidae Vigors, 1825 - owls
           Subfamily Striginae Vigors, 1825 - strange-eared owls
             Genus Ketupa Lesson, 1830
               1 Ketupa zeylonensis (J.F. Gmelin, 1788) - brown fish-owl
               2 Ketupa flavipes (Hodgson, 1836) - tawny fish-owl
               3 Ketupa ketupu (Horsfield, 1821) - buffy fish-owl