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.
Gurbantünggüt Desert but now has mostly dried out, and the Ailik Lake (), which receives water from the Baiyang River (which in its turn is replenished by the Irtysh–Karamay Canal). China National Highway 216 crosses the desert in the north-south direction, from Altay City to Ürümqi. China National Highway 217 and the Kuytun–Beitun Railway skirt it from the west and northwest. The Ürümqi–Dzungaria Railway reaches into the desert's southeastern corner, known locally as "Jiangjun Gobi" (将军戈壁, "General's Desert"). The climate of the area is temperate, but very continental. The desert's ecological environment is very fragile, and the impact of human activities on