Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Aves [classis]
Strigiformes [ordo]
Strigidae [familia]
Strix [genus]
Genus Strix contains the following taxa:
Strix aluco Linnaeus, 1758 [species]
Strix nebulosa Forster, 1772 [species]