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
Fat-tailed gerbil Mongolian gerbil, and behave more like a Syrian hamster than a gerbil. Fat-tailed gerbils spend a lot of time grooming their fur and washing their face. They like to dig a lot and take sand baths. They also enjoy running on exercise wheels. When they fight, they shriek loudly and bite each other's tails . The mating ritual of the fat-tailed gerbil may also be confused with fighting. Male fat-tailed gerbils, like most other rodents, have scent glands on their stomach and engage in marking their territory by stretching out and rubbing their bellies on the ground and furnishings. Their