Chestnut-backed Owlet

Glaucidium castanotum

The Chestnut-backed Owlet (*Glaucidium castanotum*) is a diminutive yet striking owl, endemic to the island of Sri Lanka. Typically measuring 19-21 cm (7.5-8.3 in) in length and weighing around 80-100 grams (2.8-3.5 oz), it is the smallest owl species found within its range. Its most distinctive feature is a rich, rufous-chestnut back and scapulars, contrasting sharply with a heavily streaked whitish underside, and a barred tail. The round head lacks ear-tufts, featuring bright yellow eyes se...

Habitat

Inhabits moist evergreen and semi-evergreen forests, typically found in the montane and submontane wet zones of Sri Lanka, from lowlands up to around 2000 meters (6500 ft) elevation.

Diet

Feeds mainly on large insects (beetles, mantises, cicadas), small birds, lizards, and small mammals, often taking prey surprisingly large for its size, caught via perch-and-pounce or aerial pursuit.

Behavior

Primarily diurnal and crepuscular, the Chestnut-backed Owlet is often active at dawn and dusk, but also hunts confidently during the day, offering good viewing opportunities. It typically perches on prominent branches, keenly scanning the understory and canopy for prey, then rapidly swoops down o...

Range

The Chestnut-backed Owlet is strictly endemic to the island nation of Sri Lanka, making its entire global distribution confined to this single country. Its range is primarily restricted to the southwestern wet zone and central highlands, where it inhabits primary and mature secondary evergreen an...

Conservation Status

Near Threatened

Fun Facts

- It is the smallest owl species found in Sri Lanka, making its fierce predatory nature even more remarkable. - Unlike most owls, the Chestnut-backed Owlet is primarily diurnal, actively hunting and vocalizing during daylight hours. - Its striking chestnut back is a key identification feature, se...

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