Hamsters are rodents belonging to the subfamily Cricetinae. The subfamily contains about 25 academic monograph in the domain of social sciences and natural history to hamsters, entitled "An approach to a natural history of the hamster". Dwarf Russian Campbell hamster -- Unlike Syrian hamsters, Dwarf Russian Campbell hamsters are social are do well in groups. They make. Some hamsters are very social, while others are loners. For example, the Syrian hamster doesn't like living near other hamsters. They are very.