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| Subspecies: | Unknown |
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| Est. World Population: | 5000-24000, 5000-15000 |
| CITES Status: | NOT LISTED |
| IUCN Status: | Near Threatened |
| U.S. ESA Status: | NOT LISTED |
| Body Length: | |
| Tail Length: | |
| Shoulder Height: | |
| Weight: | |
| Top Speed: | |
| Jumping Ability: | (Horizontal) |
| Life Span: | in the Wild |
| Life Span: | in Captivity |
| Sexual Maturity: | (Females) |
| Sexual Maturity: | (Males) |
| Litter Size: | |
| Gestation Period: | |
Habitat:
The species occurs up to 1,000 m in primary, disturbed primary and secondary forest and forest edge, in both deciduous and evergreen formations, and mangroves (Olsen et al. 2009, Eaton et al. 2021). It is typically found occurring singly, in pairs or small dispersed groups of up to four birds. Its diet is not known but probably consists mainly of insects.
Range:
Ninox rudolfi is restricted to Sumba, Indonesia.
Conservation:
Conservation Actions Underway
CITES Appendix II. Projects in 1989 and 1992 assessed population sizes, status and habitat associations of range-restricted species on Sumba (see Jones et al. 1995) but they failed to document this species in a way that elucidated its population size. It is known (eBird 2023) to occur in Sumba's two terrestrial protected areas documented by UNEP-WCMC and IUCN (2023): Manupeu Tanadaru and Laiwangi Wanggameti. There are efforts (post 2015) to try and reforest some areas of Sumba via agroforestry projects that may benefit this species. For example, the Indigenous Kaliwu Agroforestry System (IKAS) has proven successful locally in planting native species that are congruent with biodiversity conservation objectives and farmers' livelihoods (see Njurumana et al. 2021).
Conservation Actions Proposed
Generate density estimates to inform a revised population estimate for the species. Estimate population trends by calculating rates of forest loss within its range using satellite imagery and remote sensing techniques.
Protect remaining areas of lowland forest. Enforce restrictions on agricultural encroachment and logging within protected areas. Continue and expand agroforestry schemes and monitor their effectiveness for endemic species.
CITES Appendix II. Projects in 1989 and 1992 assessed population sizes, status and habitat associations of range-restricted species on Sumba (see Jones et al. 1995) but they failed to document this species in a way that elucidated its population size. It is known (eBird 2023) to occur in Sumba's two terrestrial protected areas documented by UNEP-WCMC and IUCN (2023): Manupeu Tanadaru and Laiwangi Wanggameti. There are efforts (post 2015) to try and reforest some areas of Sumba via agroforestry projects that may benefit this species. For example, the Indigenous Kaliwu Agroforestry System (IKAS) has proven successful locally in planting native species that are congruent with biodiversity conservation objectives and farmers' livelihoods (see Njurumana et al. 2021).
Conservation Actions Proposed
Generate density estimates to inform a revised population estimate for the species. Estimate population trends by calculating rates of forest loss within its range using satellite imagery and remote sensing techniques.
Protect remaining areas of lowland forest. Enforce restrictions on agricultural encroachment and logging within protected areas. Continue and expand agroforestry schemes and monitor their effectiveness for endemic species.