User blog comment:BannedLagiacrus/Discussion of the Week: Monster Mutations/@comment-26089653-20140112013218/@comment-5020152-20140112021733

Copper Blangonga is most likely a subspecies that evolved specifically to suit the climate of the Desert. I doubt a mutation could allow the cold-loving Blangonga to suddenly tolerate such a sweltering environment, not to mention put up with all the unfamiliar desert monsters.