Species (101)
- Asio flammeus (Pontoppidan, 1763)
- Athene noctua (Scopoli, 1769)
- Otus scops (Linnaeus, 1758)
- Athene noctua (Savigny, 1809) ssp. glaux
- Bubo virginianus Ridgway, 1877 ssp. saturatus
- Scops sp.
- Glaucidium gnoma Wagler, 1832
- Glaucidium sp.
- Glaucidium nanum (King, 1828)
- Glaucidium minutissimum (Wied, 1821)
- Glaucidium perlatum (Vieillot, 1817)
- Glaucidium radiatum (Tickell, 1833)
- Ketupa ketupu (Horsfield, 1821)
- Otus albogularis (Bonaparte, 1850) ssp. macabrum
- Otus asio Ridgway, 1877 ssp. maxwelliae
- Otus capnodes (Gurney, 1889)
- Otus lempiji Deignan, 1950 ssp. hypnodes
- Ptilopsis leucotis (Temminck, 1820)
- Pulsatrix melanota (Tschudi, 1844)
- Pulsatrix koeniswaldiana (M. Bertoni & W. Bertoni, 1901)
- Ptilopsis granti (Kollibay, 1910)
- Pulsatrix perspicillata Ridgway, 1914 ssp. saturata
- Strix hylophila Temminck, 1825
- Strix leptogrammica Sykes, 1832 ssp. indranee
- Strix nebulosa Thunberg, 1798 ssp. lapponica
- Aegolius funereus (Bonaparte, 1838) ssp. richardsoni
- Aegolius harrisi =harrisii (Cassin, 1849)
- Bubo poensis Fraser, 1853
- Bubo sumatranus (Raffles, 1822)
- Bubo virginianus (J.F. Gmelin, 1788)
- Bubo virginianus Hoy, 1852 ssp. subarcticus
- Glaucidium brasilianum (Daudin, 1800) ssp. phalaenoides
- Glaucidium brasilianum (J.F. Gmelin, 1788)
- Glaucidium brodiei (Burton, 1836)
- Glaucidium capense (A. Smith, 1834)
- Glaucidium castanonotum (Blyth, 1852)
- Glaucidium cuculoides (Vigors, 1831)
- Glaucidium hardyi Vieilliard, 1989
- Ketupa zeylonensis (Temminck, 1820) ssp. leschenault
- Ketupa zeylonensis Zarudny, 1905 ssp. semenovi
- Ketupa zeylonensis (J.F. Gmelin, 1788)
- Lophotrix cristata = Lophostrix c. (Daudin, 1800)
- Ninox boobook De Vis, 1887 ssp. lurida
- Ninox boobook (Latham, 1801)
- Ninox connivens (Latham, 1801)
- Ninox connivens Salvadori & D'Albertis, 1875 ssp. assimilis
- Ninox jacquinoti (Bonaparte, 1850)
- Ninox ochracea (Schlegel, 1866)
- Ninox rufa (Bonaparte, 1850) ssp. humeralis
- Ninox scutulata (Raffles, 1822)
- Otus semitorques Temminck & Schlegel, 1850
- Otus trichopsis Van Rossem, 1932 ssp. mesamericanus
- Scops lempiji = Otus l. (Horsfield, 1821)
- Strix albitarsis (Bonaparte, 1850)
- Strix hulula Spix 1824 ssp. albomarginata
- Strix leptogrammica (Hume, 1873) ssp. ochrogenys
- Strix ocellata (Lesson, 1839)
- Strix nigrolineata (P.L. Sclater, 1859)
- Strix uralensis Lindroth, 1788 ssp. liturata
- Strix varia (Barton, 1799)
- Strix virgata (W. Bertoni, 1901) ssp. borelliana
- Strix virgata (Griscom, 1929) ssp. centralis
- Strix virgata (Cassin, 1848)
- Strix varia Latham, 1801 ssp. georgica
- Uroglaux dimorpha (Salvadori, 1874)
- Asio clamator (Vieillot, 1807)
- Asio flammeus (Vieillot, 1817) ssp. suinda
- Asio otus Godfrey, 1948 ssp. tuftsi
- Asio otus (Lesson, 1830) ssp. wilsonianus
- Athene brama Koelz, 1950 ssp. albida
- Athene cunicularia (Bonaparte, 1825) ssp. hypugaea
- Athene noctua Blyth, 1847 ssp. bactriana
- Athene noctua Hartert, 1913 ssp. lilith
- Bubo africanus Sharpe, 1886 ssp. milesi
- Bubo ascalaphus Erlanger, 1897 ssp. desertorum
- Bubo ascalaphus Savigny, 1809
- Bubo bengalensis (Franklin, 1831)
- Bubo bubo (Gloger, 1833) ssp. sibiricus
- Bubo bubo (Eversmann, 1835) ssp. turcomanus
- Bubo lacteus (Temminck, 1820)
- Bubo magellanicus (J.F. Gmelin, 1788)
- Bubo nepalensis =nipalensis Hodgson, 1836
- Bubo sumatranus (Temminck, 1823) ssp. strepitans
- Surnia ulula (Linnaeus, 1758)
- Strix uralensis Pallas, 1771
- Asio capensis (A. Smith, 1834)
- Bubo africanus (Temminck, 1821)
- Bubo capensis A. Smith, 1834
- Otus asio (Linnaeus, 1758)
- Nyctea scandiaca (Linnaeus, 1758)
- Pulsatrix perspicillata (Latham, 1790)
- Strix woodfordii (A. Smith, 1834)
- Strix nebulosa J.R. Forster, 1772
- Ninox novaeseelandiae (J.F. Gmelin, 1788)
- Ninox strenua (Gould, 1838)
- Sceloglaux albifascies = S. albifacies (G.R. Gray, 1844)
- Strix aluco Linnaeus, 1758
- Asio otus (Linnaeus, 1758)
- Aegolius funereus (Linnaeus, 1758)
- Glaucidium passerinum (Linnaeus, 1758)