They re not actually members of the swine family, but these little guinea pigs are liable to cause squeals of delight. Short-eared, plump, and furry, guinea pigs are native to South America but have adapted to life in other climates. These domesticated rodents have become remarkably popular pets among children. This darling wall calendar makes it clear why so many people love guinea pigs. BrownTrout is committed to sustainability.