- 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