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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) Range in Japan
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.
Regulation in Japan
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)
  • 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.