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 been documented to be nocturnal. These gerbil are seed-eating gerbils and feed on the particular seeds of the common evergreen Thymelea hirsuta. The breeding season for the Anderson's gerbil has been recorded to occur during late winter and early spring. Their breeding season coincides with the seed shedding of the Thymela hirsuta. Both genders of the species are active for reproductive purposes only once per year. The gestation period for the females is from 20 to 22 days. The females usually give birth to a liter of three to seven offspring. Anderson's gerbil has been said to be able to