Animalia | Chordata | Aves | Strigiformes | Strigidae | Aegolius
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Tetrapoda | Reptilia | Aves | Strigiformes | Strigidae | Aegolius | Aegolius funereus
|  | Haeckel, 1874 |  | von Zittel, 1879 |  | Laurenti, 1768 |  |  | Vigors, 1825 | Keyserling & Blasius, 1840 | (Linnaeus, 1758)