Lord Howe boobook of the steamship SS "Makambo", and several of Lord Howe's endemic birds disappeared during the next few years. The endemic boobook may have been extirpated by rat predation, owl predation or owl competition, and the calls heard until the 1950s may have come from either the endemic or the introduced boobook subspecies, or both. There are specimens of the Lord Howe boobook in the Australian Museum. Lord Howe boobook The Lord Howe boobook ("Ninox novaeseelandiae albaria"), also known as the Lord Howe morepork, was a bird in the true owl family endemic to Lord Howe Island in the Tasman Sea,
New Britain boobook series of rapidly repeated "whoo"s, starting at a low pitch which rises and becomes faster and louder. This species is found in the lowlands and hills of the New Britain and New Ireland Endemic Bird Areas at elevations of up to above sea level. It is fairly common in its small range and is nocturnal. It roosts during the day alone or in pairs in the middle to upper parts of the forest canopy. It feeds mainly on insects and small mammals. Formerly classified as being a "Species of Least Concern" by the IUCN, the New Britain boobook was later