The Caspian tiger was a Panthera tigris tigris population native to eastern Turkey, northern Iran, Mesopotamia, the Caucasus around the Caspian Sea, Central Asia to northern Afghanistan and the Xinjia
The Siberian tiger or Amur tiger is a population of the tiger subspecies Panthera tigris tigris native to Northeast China, the Russian Far East, and possibly North Korea. It once ranged throughout the
Caspian tiger
…population was regarded as a distinct subspecies and assessed as extinct in 2003. Results of a phylogeographic analysis evinces that the Caspian and Siberian tiger populations shared a common continuous geographic distribution until the early 19th century. Some Caspian tigers were intermediate in size between…