Otus wintershofensis
Strix albitarsis (Rufous-banded Owl) (Attributes)
Strix aluco (Tawny Owl) (Attributes)
Strix antiqua
Strix brevis
Strix butleri (Hume's Owl) (Attributes)
Strix chacoensis (Chaco Owl) (Attributes)
Strix collongensis
Strix dakota
Strix davidi (Pere David's Owl) (Attributes)
Strix edwardsi
Strix erminea
Strix fulvescens (Fulvous Owl) (Attributes)
Strix georgica
Strix hadorami (Desert Owl) (Attributes)
Strix hudsonia
Strix huhula (black-banded owl) (Attributes)
Strix hylophila (Rusty-barred Owl) (Attributes)
Strix ignota
Strix leptogrammica (Brown Wood Owl) (Attributes)
Strix maugei
Strix melitensis
Strix nebulosa (Great Grey Owl) (Attributes)
Strix nigrolineata (Black-and-white Owl) (Attributes)
Strix nivicolum (Himalayan Owl) (Attributes)
Strix nyctelea
Strix occidentalis (Spotted Owl) (Attributes)
Strix ocellata (Mottled Wood Owl) (Attributes)
Strix perpasta
Strix pulchella
Strix rufipes (Rufous-legged Owl) (Attributes)
Strix sancti
Strix sartorii (Mexican barred owl)
Strix seloputo (Spotted Wood Owl) (Attributes)
Strix uralensis (Ural Owl) (Attributes)
Strix varia (Barred Owl) (Attributes)
Strix virgata (Mottled Owl) (Attributes)
Strix woodfordii (African Wood Owl) (Attributes)