Parent: Strigiformes (Owls)

└─ Strigidae (Typical owls)

└─── Aegolius (Saw-whet owls)

└─── Asio (Eared owls)

└─── Athene (Burrowing owls)

└─── Bubo (Horned owls)

└─── Ciccaba

└─── Glaucidium (Pygmy-owls)

└─── Gymnoglaux

└─── Heteroglaux

└─── Jubula

└─── Ketupa

└─── Lophostrix

└─── Megascops

└─── Micrathene (Elf owls)

└─── Mimizuku

└─── Nesasio

└─── Ninox

└─── Otus (Scops-owls)

└─── Pseudoscops

└─── Ptilopsis

└─── Pulsatrix

└─── Pyrroglaux (Palau owls)

└─── Sceloglaux

└─── Scotopelia

└─── Strix (Earless owls)

└─── Surnia (Hawk-owls)

└─── Uroglaux

└─── Xenoglaux