Mongolian gerbil They are somewhat larger than mice, with a body about long (and a tail of similar length), with a body mass averaging in females and in males. The Mongolian gerbil is classified as a "prohibited new organism" under New Zealand's Hazardous Substances and New Organisms Act 1996, preventing it from being imported into the country. The species is also prohibited in the US state of California. "Meriones unguiculatus" evolved on the semideserts and steppes of Mongolia. There, they developed long legs for jumping and running from predators, teeth to deal with hard seeds and plant matter, and water conservation techniques
Berbera gerbil round the eye and the cheeks, chin, throat and feet are white. The soles of the feet are hairless. The long tail is sandy orange above and pale below, and has a narrow tuft of brown and white hairs at its tip. It is generally similar in size and appearance to the greater Egyptian gerbil ("Gerbillus pyramidum"), but they have different geographical ranges. The Berbera gerbil is endemic to the Horn of Africa. It is known from three locations in northwestern Somalia, at Berbera, where the type specimen was found, Bulhar and Burao. Two of these locations were in the