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Père David's deer
Père David's deer (''Elaphurus davidianus''), also known as the ''milu'' () or elaphure, is a species of deer that are mostly found in captivity. This semiaquatic animal prefers marshland, and is native to the subtropics of China. It grazes mainly on grass and aquatic plants. It is the only extant member of the genus ''Elaphurus''. Based on genetic comparisons, Père David's deer is closely related to the deer of the genus ''Cervus'', leading many experts to suggest merging ''Elaphurus'' into ''Cervus'', or demoting ''Elaphurus'' to a subgenus of ''Cervus''.
==Demography==
The Père David's deer is endemic to the Chinese region. According to fossil records the species first appeared during the pleistocene period where it could be found anywhere in the Manchuria.〔Hofmann, R. R. 2007. The Milu (Elaphurus davidianus), a recently evolved Chinese ruminant species with a unique morphology pointing a specific ecological adaptation. In: J. Xia (ed.), The International Symposium on the 20th Anniversary of Milu Returning Home, pp. 119-122. Beijing Press, Beijing, China.〕 This demography changed during the holocene period, during this time the species could only be found in the swamp lands and wet lands in southern China. Due to hunting and land reclamation the demography of the Père David's deer became even smaller. By 1939, the last of the wild species were shot and killed.〔Zhou, K. 2007. Chinese Milu’s prosperity, decline and protection. In: J. Xia (ed.), The International Symposium on the 20th Anniversary of Milu Returning Home, pp. 15-19. Beijing Press, Beijing, China.〕
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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