They both are rodents. They both like to chew, and that's all I can think of.
They're as different as humans and elephants - in fact, like humans and elephants, the only thing they really have in common is they're both mammals. Aside from the difference in size, other...
yeah ... of course, there are many types of hamsters and they each have different personalities
no
The genital opening is closer to the anal opening on the female than on the male.
Well obviously they are much different in size but the smaller dwarves can actually live longer, they also breed much more rapidly.