Morepork they emulate the bird's distinctive two-pitched call. It has dark brown plumage with prominent pale spots, and golden-yellow 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 morepork feeds on insects and small vertebrates, hunting by pouncing on them from tree perches. The International Union for Conservation of Nature has assessed the morepork as being of least concern on account of its large range and apparently stable population. English naturalist John Latham wrote of the New Zealand owl in his 1780s work "A General
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