【How-to】Why were chihuahuas originally bred

White is, arguably, the rarest color of Chihuahua around. An albino Chihuahua isn’t the same thing as a white one, but both are the result of a lack of pigmentation. The white Chihuahua lack melanocytes, which give the coat its pigmentation, but retain the eumelanin needed to give them black eyes, noses, and paws.