Oxbow Essentials Hamster & Gerbil Food is nutrient dense, without extraneous fillers or preservatives. An eighth of a cup if they are small (dwarf hamsters or juveniles) or a third for adult ...
And hamsters have expansive cheek pouches that they fill with food, which gerbils don’t have. Another difference is that gerbils are known to stand on their hind legs more than hamsters.