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Little Sumba hawk-owl : ウィキペディア英語版 | Little Sumba hawk-owl
The little Sumba hawk-owl (''Ninox sumbaensis''), also known as the little Sumba boobook or least boobook, is a species of owl in the family Strigidae. It is endemic to the Indonesian island of Sumba. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss. ==History== In the 1980s ornithologists knew that there was an unknown species of owl on the island of Sumba. A phylogenetic analysis undertaken on a sample feather showed that the owl was an unknown species in the genus ''Ninox''. The bird had a characteristic low whistling call "''who''", repeated at four second intervals, which distinguished it from other known species of owl.〔 When this call was recorded and played back on Sumba, there was a response from resident birds. In late 2001 a specimen of the bird was obtained, enabling a detailed description to be made for the first time; it was named ''Ninox sumbaensis'', the little Sumba hawk-owl.
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