Strigidae Vigors, 1825
Strix albitarsis (Bonaparte, 1850)
Strix albitarsus
Strix aluco Linnaeus, 1758
Strix bartelsi
Strix butleri (Hume, 1878)
Strix chacoensis Cherrie & Reichenberger, 1921
Strix fulvescens (P. L. Sclater & Salvin, 1868)
Strix huhula Daudin, 1800
Strix hylophila Temminck, 1825
Strix leptogrammica Temminck, 1832
Strix nebulosa J. R. Forster, 1772
Strix newarensis
Strix nigrolineata Sclater, 1859
Strix nivicola
Strix nivicolum
Strix occidentalis (Xantus de Vesey, 1860)
Strix ocellata (Lesson, 1839)
Strix rufipes King, 1827
Strix sartori
Strix seloputo Horsfield, 1821
Strix uralensis Pallas, 1771
Strix varia Barton, 1799
Strix woodfordii (A. Smith, 1834)
