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
Tarabul's gerbil Tarabul's gerbil Tarabul's gerbil ("Gerbillus tarabuli") is a species of small rodent which is found in arid regions of north western Africa. Tarabul's gerbil is a small mouse like rodent with a long tail which ends in a tuft. It has tawny fur on the dorsal surface and white fur on its ventral surface which is clearly demarcated. The ears are plain with no black tips a white spot just behind them and the soles of its feet bear hair. The sympatric occidental gerbil "Gerbillus occiduus" has ears with black tips and no spot behind them. The head and body