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 been the bottom of a former lake, but is now nearly a dry salt-basin. The surface configuration is in fact markedly similar to that which occurs in the inter-mount latitudinal valleys of the Kunlun Mountains. The hydrography of the Ghashiun-Gobi and the Kuruk-tagh is determined by these chequered arrangements of the latitudinal valleys. Most of the principal streams, instead of flowing straight down these valleys, cross them diagonally and only turn west after they have cut their way through one or more of the transverse barrier ranges. To the highest range on the great swelling Grumm-Grzhimailo gives the name of