Which regions historically comprised part of the Amur leopard's range beyond the Russian Far East?

Answer

The Korean Peninsula and northeastern China

While the core habitat is the Russian Far East, especially Primorsky Krai, the historical range of the Amur leopard also extended into the Korean Peninsula and northeastern China.

Which regions historically comprised part of the Amur leopard's range beyond the Russian Far East?
animalextinctionwildlifeleopardAmur leopard