Can a dwarf teddy bear hamster mix with a normal teddy hamster?
There is no such breed as a Dwarf teddy bear hamster. The normal
'Teddy Bear' hamster is just a nick-name given to another variation
of the Syrian hamster.
This is the long haired variety and is sometimes referred to as
the "Teddy Bear" These hamsters are all one and the same breed, the
Syrian hamster. (Mesocricetus auratus)
No attempt should be made to intermix different species.