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Norfolk boobook
The Norfolk boobook (''Ninox novaeseelandiae undulata''), also known as the Norfolk Island boobook, Norfolk Island owl or Norfolk Island morepork, was a bird in the true owl family endemic to Norfolk Island, an Australian territory in the Tasman Sea between Australia and New Zealand. It is an extinct subspecies of the morepork (''Ninox novaeseelandiae''). However, although the taxon is extinct, its genes live on in the descendants of the hybrid offspring of the last female bird, which was sighted for the last time in 1996.〔Garnett & Crowley, p.365〕
==Description==
The Norfolk boobook was very similar in appearance to other subspecies of the morepork, being a small brown hawk owl with mottled plumage. It was smaller, darker and more reddish in colouring than the Australian subspecies, with much spotting.〔Higgins, p.853.〕 However, it was slightly larger than the nominate subspecies from New Zealand; female boobooks are larger than the males, with New Zealand females comparable in size to Norfolk Island males, a factor which gave rise to sexing difficulties with hybrid birds in the conservation management program.〔Double & Olsen, pp.283-284.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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