The Eagle Owl (Bubo bubo) is a large and powerful owl in Iran. Iran also hosts Ascalaphus sub specie of eagle owls. The other sub specie known as desertorum lives in arid regions of Arabia. In Iran we should be able to observe two different variants of eagle owl; One being common eagle owl and the other being Ascalaphus SS. The Ascalaphus is known to be 20% smaller and has paler underparts blending to less spoted and blotched markings.