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Persian onager
The Persian onager (''Equus hemionus onager''), also called the Persian wild ass or Persian zebra, is a subspecies of onager (Asiatic wild ass) native to Iran. It is listed as "critically endangered" and "extremely rare",〔 with no more than 600 individuals left in the wild and only 30 individuals living within North American institutions.
==Taxonomy and history==
The Persian onager is also simply named ', meaning "swift" in Persian language, in which the word "gur" has preserved as the second syllable for ' which meant "donkey". Hence, onager.
Sometimes the term "onager" is reserved specifically for this subspecies.〔 However, as the whole species of the Asiatic wild ass is known simply as onager, it now also serves as the Persian wild ass's scientific name as well (''Equus hemionus onager''). Information on the basic biology of the subspecies and how it differs from others is lacking, which hampers conservation efforts.〔
Onagers used to be numerous from the Middle East to China. However, until the 19th century, their population has been reduced to several thousands to a few thousands. There are currently more than 600 Persian onagers living in the wild.
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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