There are two species of Siberian eagle owl - the Western Siberian eagle owl (Bubo bubo sibiricus) and the Eastern Siberian eagle owl (Bubo bubo yenisseensis). The Western is found from the Ural Mountains of western Siberia and Bashkiria to the mid Ob River and the western Altai Mountains, north to limits of the taiga, the most northerly distribution known in the species overall. The Eastern is found in central Siberia and Mongolia.
