Members of the genus Ninox are hawk owls, ranging from small to large, with rounded heads without ear-tufts. They have long, pointed wings and a long tail. The nostrils are forward facing on an enlarged cere in an indistinct facial disk. There are at least 20 species in this genus, from Siberia through much of the Pacific rim, South-east Asia and Australasia.
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Video Sumba Hawk-owl
copyright: Mark Sutton
Ninox rudolfi is restricted to Sumba, Indonesia. Although characterised as uncommon or rare, recent observations have revealed that the species is widespread and moderately common on Sumba, despite forest cover being reduced to just 10% of the island