California's Fish and game is wrong about ferrets. The fact that they are illegal in California is contributing to the endangering of this species. Ferrets are in California regardless of them being legal or not, are as domesticated as dogs and cats, and it doesn't take an environmental study to know they are less of an impact on the environment as Horses, pigs and cows and Human beings are. It's time to move on and make sure these lovable animals get the homes, families, and love they deserve.
"ferrets have been domesticated for at least 2,500 years"
~Wikipedia