Pteromys volans

Basic information
Scientific name	Pteromys volans	(No picture)
Common names	Eurasian small flying squirrel, Siberian flying squirrel, Russian flying squirrel
Higher taxon	Sciuridae, Rodentia, Mammalia
Natural range	Entire Russia, Kazakhstan, Mongolia, NE China, Korean Peninsula, and Hokkaido, Japan (endemic subspecies P. v. orii).
Habitat	Forest. Arboreal.

Invasion information
Range in Japan	No exotic population in Japan.
Origin	Unintroduced to Japan.
Date
Route	Imported as pet in past.
Impact	Competition, hybridization against native species. Native organism(s) affected: Native small flying squirrels, P. v. orii in Hokkaido and P. momonga in Honshu, Shikoku, and Kyushu.
Regulation in Japan	Import, transport and keeping are prohibited in Japan by the Invasive Alien Species Act.
Introduced range in other countries	None.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki. (in Jpn)
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha. (in Jpn)
Ohdachi et al. (eds) (2009) The Wild Mammals of Japan. Shoukabou, Kyoto.
Wilson & Reeder (eds.) (2005) Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), Johns Hopkins University Press, 2,142 pp. (http://www.press.jhu.edu).