They lose the camoflage that allows them to stalk prey in the wild, so they starve to death? Oh no, wait, that's aligators...
Uhhh, religous fanatics declare they are demons and kill them?
Ins. is actually super-racist against Albinos and it is illegal to be albino?
They look like ghosts and the Ghost Busters attack them?
Meh, I don't know. >,,<