no, they can be different ages.
Yes you can breed any animal with its own breed as long as there in the same category
ask Santa clause
No, they cannot breed together because they have to be the same breed. . . Or you might end up with one dead hamster.
Nope. So long as it is a hamster.
Those are two names for the exact same species.
The Golden/Syrian hamster is the most popular breed.
No, they will fight
Yes, one just has longer hair, but are the same breed.
You don't breed hamster babies until there at least 1 year old
The smallest breed is the robo breed.
No, they are not interbreedable.
Well depending on the hamster breed and age, probably not. They may think it's food and choke on it. So I advice you do not leave your hamster alone with yarn.