G. R. Gray, 1845,
Waikouaiti, South Island, New Zealand.
Monotypic genus, possibly closest to Uroglaux and Ninox. Geographical variation questionable, and size differences perhaps clinal; rufifacies sometimes synonymized with albifacies. Two subspecies tentatively recognized.
Formerly common and widespread; decline noted in first decades of 19th century and accelerating from c. 1880, this coinciding with settlement by Europeans. Last specimen from North I collected in 1889, with unconfirmed reports until 1930s, and last of albifacies dated 1914, with unconfirmed reports until 1960s#R#R. Occasional reports from Stewart I (1970s) and South I (1980s) not subsequently confirmed. Although causes of extinction not known, habitat modification brought about by grazing or burning a distinct possibility, and predation by introduced mammals also likely to have been involved#R.
Food and feeding
Status and conservation
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