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Indian eagle-owl

The Indian eagle-owl, also known as the Bengal eagle-owl or rock eagle-owl, is a large horned owl species found in the scrub forests of the Indian subcontinent. Distinctive for its brown and grey plumage, a white throat patch with small black stripes, and prominent ear tufts, it is often seen in pairs and is known for its deep, resonant booming call heard at dawn and dusk.

Key Facts

  • Native to the Indian subcontinent, inhabiting hilly and rocky scrub forests.
  • Characterized by brown and grey plumage, a white throat patch with black stripes, and ear tufts.
  • Known for its deep, resonant booming call, typically heard at dawn and dusk.
  • Diet primarily consists of rodents, but also includes birds and occasionally small mammals.
  • Nesting season occurs from November to April, with clutches of three to four creamy white eggs.
  • Associated with various superstitions in local culture, often considered a bird of ILL omen.
Indian eagle-owl
Scientific Name
Bubo bengalensis
Common Names

Bengal Eagle-Owl, Rock Eagle-Owl

Habitat

Hilly and Rocky Scrub Forests, Light To Medium Forests, Bush-Covered Rocky Hillocks and Ravines, Steep Banks of Rivers and Streams

Geographic Range

Indian Subcontinent

Physical Description
The Indian eagle-owl is a large owl with brown and grey plumage, splashed with these colors. It features a white throat patch marked with small black stripes. It possesses a distinctive facial disk with an unmarked appearance and a black border, which is less pronounced than in the Eurasian eagle-owl. The base of its primaries is unbanded and rufous, and its tail bands have wider tawny sections than black ones. A notable feature is a large pale scapular patch visible on the folded wing. The inner claws are the longest, and the last joint of the toes is unfeathered.
Size Range Cm
Not specified in text, but described as 'large'
Wingspan Range Cm
Not specified in text
Diet

Rodents, Birds, Small Mammals, Flying Fox

Vocalization
It has a deep resonant two-note call, often described as a 'long call', delivered mainly at dusk during the breeding season. Young birds produce clicks and hisses.
Lifespan Years
Not specified in text
Breeding Season
November to April
Nesting Habits
Nests are made on bare soil in natural recesses in earth banks, on cliff ledges, or under the shelter of bushes on level ground. The nest site is reused annually.
Number Of Eggs
Three or four
Social Behavior
Usually seen in pairs.

About Indian eagle-owl

The Indian eagle-owl (Bubo bengalensis), also known as the Bengal eagle-owl or rock eagle-owl, is a prominent large owl species native to the Indian subcontinent. Its natural habitat includes hilly and rocky scrub forests, light to medium forests, and areas near ravines and riverbanks, though it avoids extremely arid or humid evergreen environments. It is often observed in pairs and is distinguished by its brown and grey mottled plumage, a white throat patch with subtle black stripes, and prominent ear tufts.

Description and Identification

This species bears a strong resemblance to the Eurasian eagle-owl, though it is considered distinct. Key identifying features include an unmarked facial disk with a black border, unbanded rufous bases to its primaries, and tail bands where the tawny sections are wider than the black ones. A noticeable pale scapular patch is visible on its folded wings. Chicks are born covered in white fluff, which is gradually replaced by speckled feathers, eventually maturing into the full adult plumage.

Behavior and Diet

The Indian eagle-owl is known for its deep, resonant, two-note booming call, which is particularly audible at dawn and dusk, with peak calling intensity observed in February, especially during the breeding season. Young birds may produce clicks and hisses. When defending their nests, adults engage in zig-zag flight patterns and mob potential predators, including humans. Their diet primarily consists of rodents, but they also hunt birds, especially during winter, and have been known to prey on flying foxes and mammals as large as an Indian hare. Captive individuals consume approximately 61 grams of prey per day.

Reproduction and Lifespan

The breeding season for the Indian eagle-owl typically occurs between November and April. They lay three or four creamy white, broad, roundish oval eggs with a smooth texture. These eggs are laid in natural depressions on bare soil, such as in earth banks, on cliff ledges, or under bushes. The nesting sites are reused annually. The eggs hatch after about 33 days, and the chicks remain dependent on their parents for nearly six months. Details regarding their lifespan in the wild and captivity are not extensively documented in available records.

Cultural Significance

In local cultures, the Indian eagle-owl is often associated with superstitions, frequently regarded as a bird of ill omen. Its haunting calls, especially when heard from atop a house, are sometimes believed to presage death. Historical accounts mention rituals involving the capture and killing of these owls, driven by beliefs about their ability to speak human words, predict the future, or yield lucky bones when disposed of in streams.

Source: Wikipedia ↗

Frequently Asked Questions

What is the scientific name of the Indian eagle-owl?

The scientific name of the Indian eagle-owl is Bubo bengalensis. This name was first used by James Franklin in 1831 for an eagle-owl collected in northern India.

Where can the Indian eagle-owl be found?

The Indian eagle-owl is native to the Indian subcontinent. It inhabits hilly and rocky scrub forests, preferring areas south of the Himalayas and below 1,500 meters elevation, avoiding humid evergreen and extremely arid regions.

What does the Indian eagle-owl eat?

The diet of the Indian eagle-owl primarily consists of rodents throughout much of the year. Towards winter, they also prey on birds, including species like francolins, doves, and even smaller owls. Occasionally, they may take mammals as large as an Indian hare.

When is the breeding season for the Indian eagle-owl?

The nesting season for the Indian eagle-owl typically spans from November to April. During this period, males deliver their characteristic calls most intensely, often at dusk.

What are some common superstitions associated with the Indian eagle-owl?

The Indian eagle-owl is associated with several superstitions, often being considered a bird of ill omen. Its haunting calls from a rooftop are believed to foretell the death of an occupant. Some traditions suggest that if starved and beaten, the owl would speak human words or predict the future.