Check if the hamster’s rear end is wet.,
Ask the pet shop/breeder if you can handle the hamsters.,Look for hamsters that have shiny coats, bright eyes, and are generally friendly,
If the hamster is a bit jumpy at first when you handle him/her, don’t worry that is not a bad thing.,
Choose a hamster that you like.
If it is, do not purchase any hamsters from that store. That means it has wet tail, which could possibly be contagious
, If the hamster stands up on it’s hind legs , don’t buy it because that means its getting ready to attack.,, They are just getting used to being held., Ask the pet shop/breeder which ones are the friendliest.