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
Botta's gerbil status. Botta's gerbil is a small species with sandy-brown upper parts with a blackish sheen, especially at the mid-line, and pure white underparts and limbs. The long tail is slightly bi-coloured, with dark hairs above and pale hairs below, the hairs at the tip forming a small tuft or pencil. Botta's gerbil Botta's gerbil ("Dipodillus bottai") is a species of gerbil endemic to Sudan and possibly northern Kenya. According to the International Union for Conservation of Nature, it was listed as Least Concern in 1996 until it was listed as Data Deficient in 2004. According to a 2013 book, it