Morepork Morepork The morepork ("Ninox novaeseelandiae"), also called the ruru or Tasmanian spotted owl, is a small brown owl found throughout New Zealand and Tasmania. Described by Johann Friedrich Gmelin in 1788, it was for many years considered to be the same species as the southern boobook of mainland Australia until 1999. Its name is derived from its two-tone call. Four subspecies of the morepork are recognized, one of which is extinct and another that exists only as a hybrid population. The bird has almost 20 alternative common names, including mopoke and boobook — many of these names are onomatopoeic, as
Southern boobook sites. Caves or ledges are alternative roosting sites if no suitable trees are available. Although unobtrusive, it may give itself away by droppings or pellets on the ground beneath. The southern boobook is mobbed by passerines if discovered. It may allow people to approach to within . The maximum age recorded from banding has been 15 years 11 months, in a bird caught and later caught again on Black Mountain in the Australian Capital Territory. Across Australia, breeding takes place from July to February, though peaks in October, and is generally earlier in more northern areas. Eggs are laid from