The Bengal eagle-owl (Bubo bengalensis), also widely known as the Indian eagle-owl or rock eagle-owl, is a large horned owl species native to hilly and rocky scrub forests in the Indian Subcontinent. It is splashed with brown and grey, and has a white throat patch with black small stripes. It was earlier treated as a subspecies of the Eurasian eagle-owl. It is usually seen in pairs. It has a deep resonant booming call that may be heard at dawn and dusk. This species is often considered a subspecies of the Eurasian eagle-owl Bubo bubo and is very similar in appearance. The facial disk is unmarked and has a black border, a feature that is much weaker in the Eurasian form. The base of the primaries is unbanded and rufous. The tail bands have the tawny bands wider than the black ones. A large pale scapular patch is visible on the folded wing. There is a lot of colour variation with the ground colour being dark brown above while some are pale and yellowish. On dark birds the streaks coalesce on the hind crown and nape but are narrow in pale birds. Chicks are born with white fluff which is gradually replaced by speckled feathers during the pre-juvenile moult after about two weeks. After a month or so they go through a basic moult and a brownish juvenile plumage is assumed with the upperparts somewhat similar to adults but the underside is downy. The deep resonant two-note calls are characteristic and males deliver these "long calls" mainly at dusk during the breeding season. The peak calling intensity is noticed in February.

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