They might bite you these are some of the reasons: you have just ate something and haven't washed your hands and then pick them up,because they will smell the food and think your food.Or you are not handling them properly.
there is a big difference between them as syrian hamsters are bigger than dwarf hamsters. There is quite a lot of different types of dwarf hamsters such as, Russian winter whites, Chinese, campbells,...
it is a very good idea t because the babes are much smaller than the other hamster if u don't separate them from other hamsters its a good chance they might eat them. but u don't have to separate...