The eastern long-fingered bat, or big-footed myotis (''Myotis macrodactylus'') is a species of

vesper bat Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

. An adult big-footed myotis has a body length of 4.1-4.8 cm, a tail of 3.1-4.9 cm, and a wing length of 3.7-4.2 cm. It nests in groups, and favors caves, tunnels and abandoned mines. It can be found in Korea, Japan from the

Amami Islands The The name ''Amami-guntō'' was standardized on February 15, 2010. Prior to that, another name, ''Amami shotō'' (奄美諸島), was also used. is an archipelago in the Satsunan Islands, which is part of the Ryukyu Islands, and is southwest o ...

in the south to

Hokkaido is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...

in the north, as well as in eastern Siberia and

Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...

in Russia.

References

Mammals of East Asia Mouse-eared bats Bats of Asia Taxa named by Coenraad Jacob Temminck Mammals described in 1840 {{Vespertilionidae-stub