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
Refer (software) Refer (software) refer is a program for managing bibliographic references, and citing them in troff documents. It is implemented as a troff preprocessor. refer was written by Mike Lesk at Bell Laboratories in or before 1978, and is now available as part of most Unix-like operating systems. A free reimplementation exists as part of the groff package. , refer sees little use, primarily because troff itself is not used much for longer technical writing that might need software support for reference and citation management. , some reference management software (for instance, RefWorks) will import refer data. refer works with a