What's Rarer for Snakes? Being an Albino or Having Two Heads?

This California King Snake amazingly has two rare disorders: it's albino and has two heads. That combination only comes about every 50 years. Surprisingly though, the two-headedism (or polycephaly) of the snake is actually more common than albinism. » 7/14/11 11:40am 7/14/11 11:40am