
Photo: (c) Roman A. Lagazyuk (Роман А. Лагазюк), some rights reserved (CC BY) · CC BY 4.0
Apodemus peninsulae
Rare visitor: recorded only occasionally in this country
Range
A large part of China to southern Siberia and Korea
Size
Head and body 8.0–11.8cm; tail 7.5–10.3cm
The Korean field mouse has a head-and-body length of 8.0–11.8 centimetres and a tail of 7.5–10.3 centimetres, with hind feet of 21–23 millimetres and ears of 14–17 millimetres. The back fur is pale reddish-brown, becoming pale yellowish-brown on the flanks, and the underside is greyish-white and well set off from the back without forming a sharp line. The tail is about as long as the rest of the body or slightly shorter, and the ears match the colour of the shoulders and head. (German Wikipedia, general species account)
It is a wood mouse of the genus Apodemus, spread over a large part of China as far as southern Siberia and in Korea. Females have four pairs of teats, two each in the chest and lumbar regions. (German Wikipedia, general species account) Its occurrence in Japan is independently supported by the national species catalogue used for this guide. Its occurrence in Japan is independently supported by the national species catalogue and distribution evidence used for this regional guide.