found some interesting information here
http://www.petwebsite.com/faq.htm if you have any of these questions go to link and click on question.I hope this helps.
What is a Teddybear Hamster?
What is a Black Bear or European Black Bear Hamster?
Are Teddybear Hamsters and Golden Hamsters the same species?
What is an Alien Hamster?
Can I keep two Teddybear or Golden Hamsters in the same cage?
I have two hamsters and they have started to fight, what do I do?
Can I keep two
Dwarf Hamsters in the same cage?
Can I keep a Syrian and
Dwarf Hamster or different kinds of Dwarf Hamsters together in the same cage?
My Dwarf Russian Hamsters fight, do I need to separate them?
I have a Dwarf Hamster, can I put another one in the cage with it?
I had 2 Dwarf Hamsters and one died, can I introduce another hamster to the remaining one so that it is not lonely?
I have a grey Dwarf Russian Hamster, how can I tell whether it is a Winter White or Campbells Russian?
My hamster escaped and I can't find it, what can I do?
I just bought a hamster and it's had babies, what should I do?
I just bought two hamsters that were supposed to be the same sex but I saw them mating, what should I do?
Can different species of hamsters breed together?
I am having problems breeding my female Hairless (Alien) Syrian Hamster, why?
My hamster gave birth and I think she is killing the babies, why?
My hamster's babies have got swollen bellies are are dying, what should I do?
I give my hamsters fluffy bedding sold in a pet store, is it safe?
My Syrian (Golden, Teddybear, Standard, Fancy) Hamster has a lump on its hip, should I worry?
My hamster scratches a lot, is this normal?
My female Syrian Hamster smells, why?
How can I tell whether my hamster is a boy or a girl?