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 jerboa auditory bullae are very large in size, and almost meet at the front of the skull (Smith and Xie 2008). The dental formula of the Gobi jerboa is I 1/1 C 0/0 P 1/1 M 2/2 (R. Taylor). One of the most prominent features of the Gobi jerboa are their ears, since they are almost three times as large as their heads. Their large ears give them an extra keen hearing sense, which helps to serve as extra protection in their vulnerable environment. The great size of their ears also helps to cool their bodies by dissipating heat, since they