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Chatham fernbird
The Chatham fernbird (''Megalurus rufescens'') is an extinct bird species endemic to Pitt Island and Mangere Island (which belong to the Chatham Islands). Its next living relatives are the Snares fernbird (''M. punctatus caudatus'') and the New Zealand fernbird or Matata (''Megalurus punctatus''). Some scientists considered it as subspecies of the Matata and named it ''Megalurus punctatus rufescens'' but most others regarded it as full species. While some scientists classified it in its own genus Bowdleria. most other taxonomists (e.g. ITIS) synonymized it with the Australasian genus ''Megalurus''.
==Description==
It reached a length of 18 cm. It wings were 5.9 to 6.7 cm. In contrast to other fernbird species it had unspotted underparts, a chestnut brown crest, a distinct white loral spot, and a dark red-brown back. It was insectivorous but nothing more is known about its ecology.〔Greenway, James (1967): Extinct and Vanishing Birds of the World〕
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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