Gobi big brown bat Gobi big brown bat The Gobi big brown bat ("Eptesicus gobiensis") is a species of vesper bat. It is found in Afghanistan, China, India, Mongolia, Pakistan, and Russia. Russian zoologist Professor Count Nikolay Alekseyevich Bobrinski first described it in 1926, the type specimen coming from the Altai Mountains in the Gobi Desert. This is a fairly small vesper bat that ranges in size from in body length, with a forearm length of . The fur on the back is reddish-yellow, the bases of the hairs being dark brown, while the fur on the underparts is brownish white. The inner incisors
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