A very different animal is the Patagonian cavy, or mara (Dolichotis patachonica), the typical representative of a genus characterized by long limbs, comparatively large ears, and a short tail.
Fossil species of Dolichotis occur in the caverns of Brazil, and also in the superficial deposits of Argentina.
The maras (Dolichotis) have the limbs and ears long and the tail very short.
Among them are the puma (Felis concolor), a smaller variety of the jaguar (Felis onga), the wolf, the fox, the Patagonian hare (Dolichotis patagonica) and two species of wild cat.