Invasion information |
Range in Japan |
Subspecies T. s. barberi is naturalized in Niigata, Yamanashi, and Gifu Prefs. There are records of release in Hokkaido (native range of another subspecies). |
|
Origin |
Unknown. |
Date |
1970s. |
Route |
Deliberate introduction (As pet, and for zoo. Released in Hokkaido University Botanical garden). |
Impact |
Competition, hybridization against native squirrels (T. s. lineatus in Hokkaido, Sciurus lis in other region). Native organism(s) affected: Native squirrels (T. s. lineatus and Sciurus lis). |
Regulation in Japan |
Legally designated as game animal (except in Hokkaido). Hunting of this species is prohibited in Hokkaido. |
Introduced range in other countries |
Austria, Belgium, France, Germany, Italy, the Netherlands, and Switzerland. |