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
Anatomical terms of bone a condyle, particularly the medial epicondyle of the humerus. These terms derive from Greek. An "eminence" refers to a relatively small projection or bump, particularly of bone, such as the medial eminence. A "process" refers to a relatively large projection or prominent bump, as does a "promontory" such as the sacral promontory. Both "tubercle" and "tuberosity" refer to a projection or bump with a roughened surface, with a "tubercle" generally smaller than a "tuberosity". These terms are derived from "Tuber" (). A "ramus" () refers to an extension of bone, such as the ramus of the mandible in the jaw