Invasion information |
Range in Japan |
There have been records of breeding in Tokyo, Osaka Prefs., and Okinawajima Is., and occurrence in Wakayama, Aichi, Kanagawa, Saitama, and Tochigi Prefs. In Tokyo, this species seems to fail to be established, given disappearance in 1990s despite occurrence in 1970s. |
|
Origin |
Unknown. |
Date |
A flock was found in 1910 at Tokyo. Recorded since 1988 at Okinawajima Is. |
Route |
Deliberate: Escape or release of pet animal. |
Impact |
Potentially: Damage on agriculture in native an foreign non-native ranges. |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
Hawaii, Guam, Palau, Micronesia, Vanuatu, etc. |