Also, the smell of ferrets can terrify rabbits (because they are a predator). Maybe you'd be better off getting a buddy for you bunny instead of getting a pet that he'd be terrified of and could possibly be killed by.
We are as gods to the beasts of the fields. We order the time o' their birth and the time o' their death. Between times, we ha' a duty. - Terry Pratchett.
"Men have forgotten this truth", said the fox, "But you must not forget it. You become responsible, forever, for what you have tamed. - Antoine de Saint-Exupéry