Gobi big brown bat of the upper jaw are distinctly higher than the outer ones. The Gobi big brown bat is native to central Asia. Its range extends from Alborz in northern Iran, through Kazakhstan, Afghanistan, northern India, Mongolia, and Tuva in southern Siberia, to eastern China. It typically inhabits desert, semi-desert and mountain regions. It may roost alone or in small groups, choosing shaded areas, crevices in rocks or the interiors of old buildings, and sometimes the outer parts of caves, but not trees. This bat has been little researched. Like other vesper bats, it is an insectivore, and it is thought that
Gobi Desert extending from the foot of the Pamirs (77° east) to the Greater Khingan Mountains, 116°-118° east, on the border of Manchuria; and from the foothills of the Altay, Sayan, and Yablonoi mountain ranges on the north to the Kunlun, Altyn-Tagh, and Qilian mountain ranges, which form the northern edges of the Tibetan Plateau, on the south. A relatively large area on the east side of the Greater Khingan range, between the upper waters of the Songhua (Sungari) and the upper waters of the Liao-ho, is reckoned to belong to the Gobi by conventional usage. Some geographers and ecologists prefer to