Arthur is my daughter’s pet. She saved up to purchase him and really wanted a black pied gerbil. After searching for some time, we found Arthur in February from our local PetSmart. He is very energetic and a great father. He takes an active role in the care of his pups.
Pied gerbils have the spotted gene, which is a dominant gene. A gerbil with two spotted genes will not survive and dies in utero. If you have a pair of spotted gerbils you would expect 1/4 fewer babies to be born than if one of the gerbils didn’t have the spotted gene.
The black gerbils are self-colored, which means they don’t have a white belly. The spotted gene causes his belly to be white.