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 Strix Linnaeus, 1758
               01 Strix seloputo Horsfield, 1821 - spotted wood-owl
               02 Strix ocellata (Lesson, 1839) - mottled wood-owl
               03 Strix leptogrammica Temminck, 1832 - brown wood-owl
               04 Strix aluco Linnaeus, 1758 - tawny owl
               05 Strix butleri (Hume, 1878) - Hume's owl
               06 Strix occidentalis (Xántus de Vesey, 1860) - spotted owl
               07 Strix varia Barton, 1799 - barred owl
               08 Strix fulvescens (Sclater & Salvin, 1868) - fulvous owl
               09 Strix hylophila Temminck, 1825 - rusty-barred owl
               10 Strix chacoensis Cherrie & Reichenberger, 1921
               11 Strix rufipes P.P. King, 1828 - rufous-legged owl
               12 Strix uralensis Pallas, 1771 - Ural owl
               13 Strix nebulosa J.R. Forster, 1772 - great grey owl
               14 Strix woodfordi (Smith, 1834), nom. inval. see Strix woodfordii (A. Smith, 1834)
               15 Strix virgata (Cassin, 1849) - mottled owl
               16 Strix albitarsis (Bonaparte, 1850)