White Crested guinea Click to see full answer. Just so, what is the rarest type of guinea pig? There are lots of breeds of these small, active animals some of which are considered pretty rare and others incredibly popular. The Teddy Guinea Pig. The White-crested Guinea Pig. The Peruvian Satin Guinea Pig. The American Satin. The Merino. The Coronet. The Sheltie or Silkie. Choosing the Right Guinea Pig. One may also ask, are all white guinea pigs rare? White crested guinea pigs are self colored animals that are almost completely covered in a single hair tone, like honey-brown or black. The crested pattern is rare simply because the white crested guinea pig breed itself is a rare one. White crested guinea pig. Dalmatian patterns are rare as well. Moreover, what color is my guinea pig? Like Fox guinea pigs, the markings should be on the eyes, muzzle and belly, and the guinea pig should have little patches of colour known as ‘pea spots’ next to the ears. Tan guinea pigs come in chocolate, black, lilac and beige, and good breed examples have a nice clean band of orange around the chin.What is an agouti guinea pig?The Agouti is a smooth-coated guinea pig that most closely resembles the wild type of guinea pig found in South America. Their coat has a flecked appearance, and each individual hair contains two distinct shades which create a banded effect.