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 Bubo Duméril, 1806
               Bubo bubo (C. Linnaeus, 1758) - Eurasian eagle-owl
                 01 Bubo bubo hispanus Rothschild & Hartert, 1910
                 02 Bubo bubo bubo (Linnaeus, 1758)
                 03 Bubo bubo interpositus Rothschild & Hartert, 1910
                 04 Bubo bubo nikolskii Zarudny, 1905
                 05 Bubo bubo ruthenus Buturlin & Zhitkov, 1906
                 06 Bubo bubo sibiricus (Gloger, 1833)
                 07 Bubo bubo yenisseensis Buturlin, 1911
                 08 Bubo bubo jakutensis Buturlin, 1908
                 09 Bubo bubo turcomanus (Eversmann, 1835)
                 10 Bubo bubo omissus Dementiev, 1932
                 11 Bubo bubo bengalensis (Franklin, 1831)
                 12 Bubo bubo hemachalanus Hume, 1873
                 13 Bubo bubo tibetanus Bianchi, 1906
                 14 Bubo bubo tarimensis Buturlin, 1928
                 15 Bubo bubo kiautschensis Reichenow, 1903
                 16 Bubo bubo ussuriensis Poliakov, 1915
                 17 Bubo bubo borrisowi Hesse, 1915