Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261. DOI: 10.1111/cobi.13486.
Eaton, J.A., van Balen, B., Brickle, N.W. and Rheindt, F.E. 2021. Birds of the Indonesian Archipelago: Greater Sundas and Wallacea. Second Edition. Lynx Edicions, Barcelona, Spain.
eBird. 2023. eBird: An online database of bird distribution and abundance [web application]. Ithaca, New York. eBird, Cornell Lab of Ornithology. Available at: http://www.ebird.org.
Global Forest Watch. 2023. Interactive Forest Change Mapping Tool. Available at: http://www.globalforestwatch.org/.
Hansen, M.C., Potapov, P.V., Moore, R., Hancher, M., Turubanova, S.A., Tyukavina, A., Thau, D., Stehman, S.V., Goetz, S.J., Loveland, T.R., Kommareddy, A., Egorov, A., Chini, L., Justice, C.O. and Townshend, J.R.G. 2013. High-resolution global maps of 21st-century forest cover change. Science 342: 850-853.
IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: https://www.iucnredlist.org. (Accessed: 07 December 2023).
Jakosalem, P.G.C., Collar, N.J. and Gill, J.A. 2013. Habitat selection and conservation status of the endemic Ninox hawk-owl on Cebu, Philippines. Bird Conservation International 23: 360-370.
Jones, M. J., Linsley, M. D. & Marsden, S. J. 1995. Population sizes, status and habitat associations of the restricted-range bird species of Sumba, Indonesia. Bird Conservation International 5: 21-52.
Njurumana, G. N., Sadono, R., Marsono, D. and Irham. 2021. Ecosystem Services of Indigenous Kaliwu Agroforestry System in Sumba, Indonesia. E3S Web of Conferences 04002(2021).
Olsen, J., Downs J.A., Tucker, T. and Trost, S. 2011. Home-range size and territorial calling of Southern Boobooks (Ninox novaeseelandiae) in adjacent territories. Journal of Raptor Research 45(2): 136-142.
Olsen, J.; Trost, S.; Myers, S. D. 2009. Owls on the island of Sumba, Indonesia. Australian Field Ornithology 26(1-2): 2-14.
UNEP-WCMC and IUCN. 2023. Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM) [Online]. Cambridge, UK. UNEP-WCMC and IUCN. Available at: https://www.protectedplanet.net. (Accessed: 2023).
Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Sumba Boobook Ninox rudolfi. Downloaded from
https://datazone.birdlife.org/species/factsheet/sumba-boobook-ninox-rudolfi on 22/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 22/11/2024.