It is naturally distributed in
southern China, northern Vietnam, and northern Myanmar, but in Japan, it is an
invasive species called " escapees from birdcage” and inhabits as a
resident bird since the 1980s. In addition, it is one of the selected species
of the 100 worst invasive foreign species. As for the bird, five bird species
are designated.(Cited from summarized the Japanese sentence of the Wikipedia)
中国南部、ベトナム北部、ミャンマー北部に自然分布しているが、日本では1980年代から”
籠脱け“と呼ばれ侵略的に棲息している鳥類であり、 侵略的な外来種100種のうち、鳥類は5種が指定されている。