Christmas boobook Christmas boobook The Christmas boobook ("Ninox natalis"), also known more specifically as the Christmas Island hawk-owl, is a species of owl in the family Strigidae. Closely related to the hawk owls of Southeast Asia and Australia. "N. natalis" was first classified at species level by J.J.Lister in 1888. It was not until 1998 however that DNA testing confirmed its status as a separate species from other owls. "N. natalis" is endemic to Christmas Island, a small Australian territory of about 135 square km situated in the Indian Ocean approximately 360 km south of Java. The flora and fauna of the
Southern boobook Australia", Gould recognised three species, all of which he placed in the genus "Spiloglaux": "S. marmoratus" from South Australia, "S. boobook", which is widespread across the Australian mainland and Tasmania, and "S. maculatus" from southeastern Australia and Tasmania. Meanwhile, in India, English naturalist Brian Houghton Hodgson had established the genus "Ninox" in 1837, and his countryman Edward Blyth placed the southern boobook in the new genus in 1849. "Southern boobook" has been designated the official name by the International Ornithological Committee. The common name comes from the two-tone call of the bird, and has also been transcribed as "mopoke". William