IRMNG Taxon list
Aegolius acadicus (J.F. Gmelin, 1788)
Aegolius funereus (Linnaeus, 1758)
Aegolius harrisii (Cassin, 1849)
Aegolius ridgwayi
Asio abyssinicus (Guerin-Meneville, 1843)
Asio capensis (Smith, 1834)
Asio clamator
Asio flammeus (Pontoppidan, 1763)
Asio madagascariensis (Smith, 1834)
Asio otus (Linnaeus, 1758)
Asio stygius (Wagler, 1832)
Athene blewitti (Hume, 1873)
Athene brama (Temminck, 1821)
Athene cunicularia (Molina, 1782)
Athene noctua (Scopoli, 1769)
Athene strenua Gould, 1838 accepted as Ninox strenua (Gould, 1838)
Bubo africanus (Temminck, 1821)
Bubo ascalaphus Savigny, 1809
Bubo bengalensis (Franklin, 1831)
Bubo blakistoni
Bubo bubo (Linnaeus, 1758)
Bubo capensis Smith, 1834
Bubo cinerascens
Bubo coromandus (Latham, 1790)
Bubo flavipes
Bubo ketupu
Bubo lacteus (Temminck, 1820)
Bubo leucostictus Hartlaub, 1855
Bubo magellanicus
Bubo nipalensis Hodgson, 1836
Bubo philippensis (Kaup, 1851)
Bubo poensis Fraser, 1853
Bubo shelleyi (Sharpe & Ussher, 1872)
Bubo sumatranus (Raffles, 1822)
Bubo virginianus (J.F. Gmelin, 1788)
Bubo vosseleri Reichenow, 1908
Bubo zeylonensis
Ciccaba albitarsus (Bonaparte, 1850)
Ciccaba huhula Daudin, 1800
Ciccaba nigrolineata (Sclater, 1859)
Ciccaba virgata (Cassin, 1849)
Ciccaba woodfordii (Smith, 1834)
Glaucidium albertinum Prigogine, 1983
Glaucidium bolivianum Konig, 1991
Glaucidium brasilianum (J.F. Gmelin, 1788)
Glaucidium brodiei (Burton, 1836)
Glaucidium californicum Sclater, 1857
Glaucidium capense (Smith, 1834)
Glaucidium castaneum Neumann, 1893
Glaucidium castanonotum (Blyth, 1846)
Glaucidium castanopterum (Horsfield, 1821)
Glaucidium costaricanum
Glaucidium cuculoides (Vigors, 1831)
Glaucidium gnoma Wagler, 1832
Glaucidium griseiceps Sharpe, 1875
Glaucidium hardyi Vielliard, 1990
Glaucidium hoskinsii
Glaucidium jardinii (Bonaparte, 1855)
Glaucidium minutissimum (Wied-Neuwied, 1830)
Glaucidium nanum (King, 1827)
Glaucidium ngamiense (Roberts, 1932)
Glaucidium nubicola
Glaucidium palmarum Nelson, 1901
Glaucidium parkeri
Glaucidium passerinum (Linnaeus, 1758)
Glaucidium perlatum (Vieillot, 1817)
Glaucidium peruanum Konig, 1991
Glaucidium radiatum (Tickell, 1833)
Glaucidium ridgwayi
Glaucidium sanchezi Lowery & Newman, 1949
Glaucidium scheffleri Neumann, 1911
Glaucidium siju (d'Orbigny, 1839)
Glaucidium sjostedti Reichenow, 1893
Glaucidium tephronotum Sharpe, 1875
Glaucidium tucumanum
Gymnoglaux lawrencii
Jubula lettii (Buttikofer, 1889)
Ketupa blakistoni (Seebohm, 1884)
Ketupa flavipes (Hodgson, 1836)
Ketupa ketupu (Horsfield, 1821)
Ketupa zeylonensis (J.F. Gmelin, 1788)
Lophostrix cristata (Daudin, 1800)
Micrathene whitneyi (Cooper, 1861)
Mimizuku gurneyi (Tweeddale, 1879)
Nesasio solomonensis (Hartert, 1901)
Ninox affinis Beavan, 1867
Ninox boobook (Latham, 1802)
Ninox connivens (Latham, 1802)
Ninox ios
Ninox jacquinoti (Bonaparte, 1850)
Ninox meeki Rothschild & Hartert, 1914
Ninox mindorensis
Ninox natalis Lister, 1889
Ninox novaeseelandiae (J.F. Gmelin, 1788)
Ninox ochracea (Schlegel, 1865)
Ninox odiosa Sclater, 1877
Ninox philippensis Bonaparte, 1855
Ninox punctulata (Quoy & Gaimard, 1830)
Ninox rudolfi Meyer, 1882
Ninox rudolphi