 The home range of a breeding pair may be more than ; areas identified as important for breeding include the east coast between Hobart and St Marys, the Derwent and Huon Valleys and the mid-north coast, as well as fragmented patches in the Tamar Valley and the north-east coast.It has been recorded from Maria and Bruny Islands.The owl has also been successfully introduced to Lord Howe Island, a subtropical territory of New South Wales in the Tasman Sea between Australia and New Zealand, where it is considered an invasive species.