Ninox rudolfi
The Great Sumba Boobook (Ninox rudolfi) is a striking, large-bodied owl endemic to the island of Sumba in Indonesia. Measuring approximately 35-40 cm in length with a wingspan of around 85-95 cm, it boasts a generally dark rufous-brown plumage, a relatively unstreaked underside, and distinctively pale yellow eyes that pierce through the darkness. Its size, dark coloration, and lack of a prominent facial disc help differentiate it from other owls in its restricted range. Taxonomically, it belo...
This boobook primarily inhabits lowland and hill forests on Sumba, favoring both primary and mature secondary growth. It can be found from sea level up to elevations of approximately 900 meters.
Its diet primarily consists of large insects such as beetles and moths, as well as small mammals like rodents and bats. It is an opportunistic predator, also taking small birds and reptiles, hunting mainly from a perch.
The Great Sumba Boobook is strictly nocturnal, spending its days roosting quietly and often solitarily within dense foliage or tree hollows, becoming active only after dusk. Its foraging strategy involves patient perch-hunting, swooping down from a vantage point to snatch prey from the ground or ...
The Great Sumba Boobook is entirely restricted to the island of Sumba, one of the Lesser Sunda Islands in Indonesia. It is considered a resident species throughout its range, with no migratory movements beyond the confines of the island. Within Sumba, its distribution is patchy, primarily found i...
Near Threatened
- The Great Sumba Boobook is an 'island endemic,' meaning it is found naturally nowhere else on Earth but Sumba Island, Indonesia. - Despite being a large owl, its extremely cryptic plumage and nocturnal habits make it very difficult to spot, often being identified solely by its distinctive call....