Gerbil (Meriones unguiculatus) - There are many species of gerbil found throughout the world with the Mongolian Gerbil being the most common.

Growing to about 4 inches in body length, these little rodents remain quite active and playful and do better with another gerbil for company. Gerbils are available in a variety for colors such as gold, black, nutmeg, lilac, burmese, and spotted to name a few. Average life span for a gerbil ranges from 3 to 4 years.