Gobi jerboa by the Central Asiatic Expeditions and housed at the American Museum of Natural History (Allen 1925). Allen further compared the subspecies "Allactaga sibirica annulata" and "Allactaga sibirica sibirica", to the Gobi jerboa because they are all sympatric. Allen examined forty specimens collected from different regions of Mongolia, and found that while the Gobi jerboa was similar in color and appearance to "A. sibirica annulata", by exhibiting the same grayer and buffier phases, the Gobi jerboa has shorter and broader ears, smaller hind feet, and a much larger globular audital bullae (nearly three times the size), which differentiates it from "A.
Great Gobi A Strictly Protected Area an arid region of the Gobi desert. The vegetation is dominated by desert and desert steppe. Great Gobi A is generally drier than Great Gobi B. Together with Great Gobi B, the reserve was established in 1975 and has been designated by the United Nations as an international Biosphere Reserve in 1991. With a total area of about 46,369 km it is one of the largest reserves worldwide. The headquarters for the Great Gobi SPA is situated in Bayantooroi, a settlement about 20 km north to the Great Gobi A reserve. The Climate is extremely "continental". Temperatures in the Gobi