Family: Miniopteridae

Scientific name: Miniopterus fuliginosus

Common name: Eastern bent-winged bat

IUCN status: Least Concern (LC)

MSJ Red list status: C-1


General morphology: Fur is short, velvety, and colored dark brown; wings are narrow; ears are rounded and short; a relatively long tragus (Yoshiyuki, 1989).


Diet: Prey includes Diptera, Lepidoptera, Coleoptera, Trichoptera, Ephemeroptera and Plecoptera (Funakoshi & Uchida, 1975; Funakoshi & Takeda, 1998). Feeds mainly on Lepidoptera, Diptera and Trichoptera (Funakoshi & Uchida, 1975; Funakoshi, & Takeda, 1998).


Habitat: Roost in natural caves, abandoned mines, bomb shelters, unused tunnels, and underground culverts (Maeda, 1982; Sano, 2000).


Echolocation calls: FM-QCF call structure; FMaxE=48.3 kHz (Kyushu population) (Funakoshi, 2010)



Funakoshi, K., & Uchida, T. A. (1975). Studies on the physiological and ecological adaptation of temperate insectivorous bats. I. Feeding activities in the Japanese long-fingered bats, Miniopterus schreibersi fuliginosus. Japanese Journal of Ecological, 25, 217-234.

Maeda, K. (1982). Studies on the classification of Miniopterus in Eurasia, Australia, and Melanesia. Mammalian Science, 1, 1-179.

Yoshiyuki, M. (1989). A systematic study of the Japanese Chiroptera. 242pp. National Science Museum: Tokyo.

Funakoshi, K., & Takeda, Y. (1998). Food habits of sympatric insectivorous bats in southern Kyushu, Japan. Mammal study, 23, 49-62.

Sano, A. (2000). Distribution of four cave-dwelling bat species in Ishikawa Prefecture, with reference to utilization of roosts. Mammalian Science, 40(2), 167-173.

Funakoshi, K. (2010). Acoustic identification of thirteen insectivorous bat species from the Kyushu District, Japan. Mammalian Science, 50(2), 165-175.


The Island Bat Research Group (IBRG) is an international multi-disciplinary unit. It has been involved for several years in the research and conservation of endangered insular bats in Japan and other island countries.


T: +81 (0)75-753-3137

F: +81 (0)75-753-3133


© 2018 by Christian E. Vincenot.

Picture featured on this website were shot by members of the group, but also by close friends and collaborators. Therefore, reuse of these pictures is subject to prior approval by the IBRG to insure proper credit can be given to authors.