Mongolian gerbil Mongolian gerbil Meriones unguiculatus, the Mongolian gerbil or Mongolian jird, is a small rodent belonging to the subfamily Gerbillinae. It is the most widely known species of the gerbil subfamily, and is the most commonly kept as a small house pet or experimental animal. Under those conditions, it is known as the domesticated gerbil. Like the Syrian or golden hamster, it was first brought to the United States in 1954 by Dr. Victor Schwentker for use in scientific research. Forty-four pairs were caught in Mongolia and brought to England. They were described as having "squirrel colors... with long furry tails."
Anderson's gerbil reproduce the breeding the year after it is born. This species of gerbil is not technically a threatened species. Under the IUCN redlist, the animal is listed as of least concern and the only threat to this animal mentioned is that overgrazing could be a problem in some parts of the home range of the gerbil. Anderson's gerbil Anderson's gerbil ("Gerbillus andersoni") is a species of gerbils distributed from Tunisia to Israel. Their habitats and diets are similar to other gerbils. The gestation period is 20–22 days and the average litter size is four or five. IUCN lists the junior