Tyto rosenbergii
The Sulawesi Masked Owl (Tyto rosenbergii) is a striking, robust nocturnal raptor endemic to the Indonesian island of Sulawesi and its satellite islands. Measuring 40-50 cm in length with a wingspan of 100-120 cm and weighing 300-500 grams, it presents a formidable presence. Its upperparts are a rich reddish-brown to blackish, densely spotted and barred with white or buff, contrasting sharply with its paler, often tawny or buff underparts marked by distinctive dark spots. The most arresting f...
This adaptable owl inhabits a variety of forested landscapes, including primary and secondary rainforests, disturbed forest edges, agricultural plantations, and even areas near human settlements, from coastal lowlands up to elevations exceeding 2,000 meters.
The diet of the Sulawesi Masked Owl consists mainly of small to medium-sized mammals, such as rodents (rats, mice) and shrews, supplemented by small birds, reptiles, and large insects, hunted from perches or during silent aerial patrols.
As a strictly nocturnal hunter, the Sulawesi Masked Owl begins its foraging activity shortly after dusk, spending daylight hours roosting solitarily or in pairs within dense tree foliage, tree hollows, natural caves, or occasionally abandoned buildings. Its primary hunting strategy involves perch...
The Sulawesi Masked Owl is strictly endemic to the island of Sulawesi, Indonesia, and several of its surrounding satellite islands. The nominate subspecies, Tyto rosenbergii rosenbergii, is widely distributed across mainland Sulawesi. A second recognized subspecies, Tyto rosenbergii pelengensis, ...
Least Concern
- The Sulawesi Masked Owl is strictly endemic to Sulawesi and a few satellite islands, making it a unique regional specialty. - Its scientific name, rosenbergii, honors Hermann von Rosenberg, a German naturalist and explorer who collected the species' type specimen. - Like other barn owls, it pos...