Invasion information | ||
Range in Japan | There are records of breedings in Hokkaido, Niigata, Nagano, Fukuoka, Saga, Nagasaki, and Kumamoto Prefs., and occurrences in Akita, Yamaga, Kanagawa, Fukui, Hyogo, Tottori, Shimane, Miyazaki, and Kagoshima Prefs., and Sadogashima and Tsushima Is. Although populations on Kyushu should be non-native, whether the other populations are native or not is unclear. | |
Origin | Korean Peninsula | |
Date | Late 16 C. | |
Route | Deliberate: | |
Impact | Potentially: Competition with native songbirds. In UK, increase of magpie causes decline of small songbirds. Nesting on electric pole sometimes causes short circuit. Native organism(s) affected: Small songbirds. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | None. |
Reference | Notes |
|