Southern boobook pale spots. It has grey-green or yellow-green eyes. It is generally nocturnal, though is sometimes active at dawn and dusk, retiring to roost in secluded spots in the foliage of trees. The southern boobook feeds on insects and small vertebrates, hunting by pouncing on them from tree perches. Breeding takes place from late winter to early summer, using tree hollows as nesting sites. The International Union for Conservation of Nature has assessed the southern boobook as being of least concern on account of its large range and apparently stable population. English ornithologist John Latham described the boobook owl as "Strix
Norfolk boobook km²) Mt Pitt section of the Norfolk Island National Park. Boobooks breed in tree hollows. Recorded clutch sizes from Norfolk Island range from one to three eggs, with two being usual. Boobooks feed on small vertebrates, especially birds and mammals, as well as invertebrates. The population of the Norfolk boobook declined with the clearance and modification of its forest habitat, especially the felling of large trees with suitable hollows for nesting in. There was also competition for nest hollows with feral honey bees and introduced crimson rosellas. By 1986 the population had been reduced to a single female bird, named