Brown Fish Owl

The Brown fish owl (Ketupa zeylonensis) is a large, bulky resident owl in the family Strigidae that is widely distributed across South and Southeast Asia.

Key Characteristics

Size & Length: 48 to 61 cm (19 to 24 in)

Wingspan: 125 to 140 cm (49 to 55 in)

Weight: 1.1 to 2.5 kg (2.4 to 5.5 lb)

Eye Color: Striking bright yellow

Conservation Status: Least Concern (IUCN Red List)

Physical Appearance and Adaptations

• Plumage: Reddish-brown upperparts heavily streaked with black or dark brown, alongside buffy-fulvous underparts with wavy dark brown streaks.
• Facial Features: Features a plain, indistinct facial disk, a dirty white puffed "bib" or throat patch, and heavy brows that create a moody or stern expression.
• Ear Tufts: Prominent, tousled, and horizontally drooping ear-tufts that look like mammalian ears.
• Specialized Feet: Unfeathered, yellow legs and feet with a rough texture on the bottom of the toes and sharp, curved talons to securely grasp slippery aquatic prey.
• Noisy Flight: Unlike most typical owls, their feathers lack the soft fringes and combs needed for silent flight, making their wingbeats somewhat audible.

Habitat and Range

• Geographic Distribution: Found from Turkey through the Middle East, the Indian subcontinent, Myanmar, Thailand, and parts of Southeast Asia and southern China.
• Preferred Environment: Strongly tied to water bodies, including lowland forests, rivers, streams, lakes, reservoirs, rice fields, and wooded wetlands.

Diet and Behavior

• Feeding Habits: Primarily a piscivore (fish-eater) that hunts by scanning from a low perch, skimming the water surface, or wading in shallow water.
• Prey Selection: Relies heavily on freshwater fish, frogs, and aquatic crabs (such as Potamon and Barytelphusa), occasionally taking small mammals, reptiles, and birds.
• Activity Patterns: Primarily nocturnal and crepuscular, but frequently observed active during overcast or daytime hours