I have never had a hamster but I've had (still have) plenty of rabbits and they are VISCOUS. They look cute and cuddly but damn they're territorial and will really rip each other apart if they don't get on. read more
Hamsters are different than guinea pigs, so I don't think I can compare them. My hamster is small too, and a rabbit could easily kill it if it was aggressive towards it, but I don't know if rabbits are aggressive, especially since they wouldn't be in a confined cage together or anything. read more
Furthermore, rabbits need different types of food and if she eats some of the hamster's food she may get sick and vice versa. Also, the rabbit will want to cuddle with the hamsters but the hamsters will probably bite. read more