Classification
Animalia [kingdom]Chordata [phylum]
Aves [class]
Strigiformes [order]
Strigidae [family]
Strix [genus]
Genus Strix bevat de volgende taxa:
Strix aluco (Tawny Owl) [species]
Strix nebulosa (Great Grey Owl) [species]
Strix uralensis (Ural Owl) [species]