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Siberian Tiger Re-population Project
The Siberian Tiger Re-population Project involves re-establishing populations of Amur tigers (''Panthera tigris altaica'') back to their former habitats, expanding their range and also reintroducing the appropriate subspecies as replacements for the genetically identical Caspian tigers (''Panthera tigris virgata'') that previously existed in Central and West Asia. Currently, the Siberian tiger populations occur in cold regions of Russian Far East and northern China.
==History==
Siberian and Caspian tigers were revealed to be genetically close and shared the same ancestor that colonized Central Asia. They separated from each other for less than 10,000 years ago which is not enough time for subspecies level differentiation.
Siberian tigers used to be common in Northeast Asia from the Russian Far East, China, northeastern Mongolia to South Korea and near the Amur river whilst the Caspian tigers lived near the Caspian sea, in the Middle East, from Turkmenistan to Kazakhstan and western Mongolia in northern Central Asia. Caspian tigers went extinct in the 1970s after several years of hunting, poaching and habitat loss. The Siberian tigers lost most of their ranges in Siberia and China and went extinct in the wild of Korea and Mongolia.
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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