 Foremost among these are the Chacoan peccary, known locally as "tagua" or "quilimero pig", a common species in Chaco, armadillos ("Tolypeutes matacus" and "Chlamyphorus retusus"), common in the region, the Chacoan mara and Conover's tuco-tuco.The jaguar, puma, ocelot and maned wolf can also be found.The presence of guanacos has been confirmed in the sand-dunes in the south-east of the Natural Area.