Strix albitarsis
Strix albitarsus
Strix aluco
Strix badia
Strix butleri
Strix capensis
Strix chacoensis
Strix deroepstorffi
Strix fulvescens
Strix hadorami
Strix hylophila
Strix indranee
Strix leptogrammica
Strix lineatum
Strix nebulosa
Strix newarensis
Strix occidentalis
Strix ocellata
Strix orientalis
Strix perlata
Strix punctatissima
Strix rufipes
Strix seloputo
Strix sororcula
Strix uralensis
Strix varia
Strix woodfordii