New Britain boobook suspected to be rarer than had previously been assumed because its rainforest habitat was being degraded by logging and forest clearance for conversion to oil palm plantations. Following the re-evaluation of its population size, this assumption was found to be correct and its numbers are now thought to be within the range of 15,000 to 30,000 individuals. Its total range is less than so its category was subsequently changed to "Vulnerable" status in 2008. New Britain boobook The New Britain boobook ("Ninox odiosa"), also known as the spangled boobook, New Britain hawk-owl or Russet hawk-owl, is a small owl that
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