Rattus exulans

Basic information
Scientific name	Rattus exulans	(No picture)
Common names	Polynesian rat
Higher taxon	Muridae, Rodentia, Mammalia
Natural range	Southeast Asia. Indochina, Malay Peninsula, Sumatra, Java, Borneo, Philippines, Sulawesi, New Guinea, and many islands around these.
Habitat	Houses, grain storages, cultivated fields, scrubs and edge of forests.

Invasion information
Range in Japan	Miyakojima Is. (Sakishima Islands)
Origin	Unknown.
Date	Unknown. There is a specimen collected in 1955, which was identified as this species in 2001.
Route	Accidental: Possibly hitchhiking on some transport by ship.
Impact	Under Construction.
Regulation in Japan	None.
Introduced range in other countries	Taiwan, Andama Islands, northern Australia, New Zealand (including many small islands), many Pacific Islands (Cook Islands, Samoa, French Polynesia, New Caledonia, Hawaii, Guam, Norther Mariana Islands, American Samoa, Pribilof Islands, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, Niue, Palau, Tokelau, Tuvalu, Vanuatu, , Easter Is. etc.).

Reference

Notes

ISSG. Global Invasive Species Database (GISD) (Accessed on 2012-7-19) http://www.issg.org/database/welcome/.
Ohdachi et al. (eds) (2009) The Wild Mammals of Japan. Shokado, Kyoto.
Motokawa et al. (2001) New records of the polynesian Rat Rattus exulans (Mammalia: Rodentia) from Taiwan and the Ryukyus. Zool Studies. 40, 299-304.
Motokawa et al. (2004) Geographic variation in cranial features of the polynesian rat Rattus exulans (Peale, 1848) (Mammalia: Rodentia: Muridae). Ruffles Bul Zool. 52, 653-663.