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 Otus Pennant, 1769
               Otus scops (C. Linnaeus, 1758) - common scops-owl
                 1 Otus scops pulchellus (Pallas, 1771)
                 2 Otus scops scops (Linnaeus, 1758) - Eurasian scops-owl
                 3 Otus scops mallorcae von Jordans, 1923
                 4 Otus scops cycladum (Tschusi, 1904)
                 5 Otus scops cyprius (Madarász, 1901)
                 6 Otus scops turanicus (Loudon, 1905)