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 Berbera gerbil The Berbera gerbil ("Gerbillus acticola") is distributed mainly in Somalia, but its range may extend into Ethiopia and Djibouti. It is endemic to the Ethiopian xeric grasslands and shrublands ecoregion. The Berbera gerbil has an average head-and-body length of and a tail of . It is a small gerbil, the upper pars being sandy orange, the individual hairs having grey shafts and orange tips. The flanks are rather paler, the hairs being white with orange tips, and the underparts are pure white, with a clear demarcation line between the dorsal and ventral pelage. There is a white patch