Invasion information | ||
Range in Japan | Hachijojima Island (Izu Islands). According to literature, this species was found in northeastern part of the island. | |
Origin | Japan. Detail is unknown. | |
Date | The first record was in July 1984. | |
Route | This species may accidentally hitchhiking on some material (such as ornamental trees), or possibly introduced deliberately for eradication of agriculture pests (rats and mice). | |
Impact | Predation on native birds. There is many records of predation by this species on various birds. Native organism(s) affected: Native birds | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | None. |
Reference | Notes |
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