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 Surniinae del Hoyo et al., 2014
             Genus Ninox Hodgson, 1837
               Ninox novaeseelandiae (J.F. Gmelin, 1788) - morepork
                 1 Ninox novaeseelandiae leucopsis (Gould, 1838)
                 2 ‡Ninox novaeseelandiae albaria Ramsay, 1888 - Lord Howe Island boobook
                 3 ‡?Ninox novaeseelandiae undulata (Latham, 1802) - Norfolk Island boobook
                 4 Ninox novaeseelandiae novaeseelandiae (Gmelin, 1788) - morepork