They can normally be safely
housed with
other Campbell's Russians if kept in same - sex pairs or small
groups, but if you do want to
house more
than one together then they will need to be introduced at a young
age.
According to the National Association of Home Builders Discusses Economics and
Housing Policy, Millennials are much more likely to get cozy in a Tiny
House (< 600 sq ft)
than other age groups.