Eukaryota | Animalia | Chordata | Vertebrata | Gnathostomata | Osteichthyes | Tetrapoda | Aves | Strigiformes | Strigidae | Striginae | Bubo | Bubo virginianus
domain | kingdom | phylum | subphylum | infraphylum | parvphylum | megaclass | class | order | family | subfamily | genus | species
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  |  |  |  |  |  |  | Vigors, 1825 |  | Duméril, 1805 | (J. F. Gmelin, 1788)