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
Great gerbil and satellite images. Inhabited great gerbil burrows can be distinguished from abandoned burrows using satellite images . Great gerbils are known reservoirs of "Yersinia pestis", the bacterium that causes plague, and of "Leishmania major", the causative agent of zoonotic cutaneous leishmaniasis. They are also known as crop pests and have been implicated in exacerbating erosion. Great gerbil The great gerbil ("Rhombomys opimus") is a large gerbil found throughout much of Central Asia. The largest of the gerbils, great gerbils have a head and body length of . Their skulls are distinctive by having two grooves in each incisor. They have