Melopsittacus undulatus

Basic information
Scientific name	Melopsittacus undulatus	Click to magnify
Common names	Budgerigar
Higher taxon	Psittacidae, Psittaciformes, Aves
Natural range	Australia
Habitat	Urban area, reed bed, etc.

Invasion information
Range in Japan	Niigata, Ibaraki, Tochigi, Saitama, Tokyo, Chiba, Kanagawa, Yamanashi, Shizuoka, Nagano, Aichi, Mie, Shiga, Nara, Wakayama, Kyoto, Osaka, Hyogo, Okayama, Hiroshima, Kochi, Oita, and Miyazaki Prefs.
Origin	Unknown.
Date	1980s.
Route	Deliberate: Escape or release of pet.
Impact	Unknown impact.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Florida, Puerto Rico, etc.

Reference

Notes

Biodiversity Center of Japan (ed) (2004) National Survey on the Natural Environment (Accessed on 2012-6-07) http://www.biodic.go.jp/reports2/6th/6_bird/index.html (in Jpn)
Eguchi & Amano (2004) Spread of exotic birds in Japan. Ornithol Sci. 3, 3-12.
Eguchi & Fujimaki (eds) (2000) Check-List of Japanese Birds Sixth Revised Edition. The Ornithological Society of Japan, Tokyo (in Jpn)
Juniper & Parr (1998) Parrots. Pica Press, East Sussex.
Kawakami & Kanouchi (2012) The Handbook of Introduced Birds in Japan. Bun-ichi Sogo Shuppan, Tokyo (in Jpn)
Kuroda (1968) Psittacidae of the World. Ornithol Soc Jpn, Tokyo (in Jpn)
Lepage (ed) (2003-2010) Avibase – the world bird database (Accessed on 2012-6-07) http://avibase.bsc-eoc.org/
etc.