Japan is home to at least three different native sciurine species—squirrels, as we commonly call them—including the Japanese squirrel, the Japanese flying squirrel, and the Japanese giant flying squirrel. In recent time, owing to the intentional and accidental introduction of non-native squirrels, the nationwide distribution of Japan’s native squirrels has shown a general trend of decline.
Click here for original story, Close encounters of the furry kind: Managing alien squirrel invasion in Japan
Source: Phys.org