Chacoan mara the capybara, and guinea pigs. Chacoan maras are closely related to the other member of the genus "Dolichotis", the Patagonian mara. Maras are the fourth largest rodent in the world after the capybaras, beavers and porcupines . Though the mara may look like a rabbit, the rabbit is not actually a rodent and therefore not as closely related to the mara as one might expect. Chacoan mara The Chacoan mara, Dolichotis salinicola, is a relatively large South American rodent of the cavy family. They are a close relative of the better known Patagonian mara. The Chacoan mara lives in the
Montane guinea pig white. The montane guinea pig is native to the high Andes in South America. Its range extends from Peru southward to the Tarapacá Region of Chile and the Tucumán Province of Argentina. Its altitudinal range is above sea level. It lives in moist habitats with rocks and coarse vegetation, making runways through the foliage. In Argentina it lives in burrows with several entrances. The montane guinea pig has a gestation period around 63 days. Litter size ranges from one to four, and the young grow quickly, becoming mature at two months of age. Montane guinea pig The montane guinea pig,