Gerbils are mammals that come from the rodent family. Other members of the rodent family are rats, mice, guinea pigs and hamsters.The Mongolian gerbil, Meriones unguiculatus, is the most common gerbil in the world. Take a look below for 30 more interesting and weird facts about gerbils. 1.The fat tailed gerbil, Duprasi gerbil, is one…