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The northern pika (''Ochotona hyperborea'') also known as the Japanese Guinea Pig is a species of pika found across mountainous regions of northern Asia, from the Ural Mountains to northern Japan and south through Mongolia, Manchuria and northern Korea. An adult northern pika has a body length of , and a tail of . The pika sheds its fur twice annually, bearing a reddish-brown coat in the summer and grayish-brown coat in winter. It feeds on various plant material and makes "hay piles" for winter use. ==Taxonomy== There are several subspecies of this pika: *''Ochotona hyperborea cinereoflava'' *''Ochotona hyperborea coreana'' *''Ochotona hyperborea ferruginea'' *''Ochotona hyperborea mantchurica'' *''Ochotona hyperborea normalis'' *''Ochotona hyperborea uralesis'' *''Ochotona hyperborea yesoensis'' *''Ochotona hyperborea yoshikurai'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「northern pika」の詳細全文を読む スポンサード リンク
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