The species that compose the autochthonous fauna of the county are countless, among mammals, birds, reptiles and insects. The most traditional yes they can be enumerated and to clarify that alone it can hunt them "with the camera of pictures", excessively advisable.
The deer of the pampas, belongs to the provincial shield, it is a small herbivore of not more than 70 cm of high. Threatened species of extinction. The puma inhabits the mounts and heaths, although he is it in almost the whole county.
The pichi blind pampeano is a near one to the hairy ones, it is of small size and it names him to him in the International Agreement for the traffic of species threatened as insufficiently well-known, "it doesn't know it to him, but it exterminates it to him" incredible paradox.

Another species that it inhabits the territory is the nandu, in the pastizales areas and bushes. it at great speed runs and their main depredador is the puma and the man. Argentina is the only country that possesses this bird type. Other species in danger are the pecarí, relative of the boar and domestic pig inhabits the north; the vizcacha is a herbivore, South American rodent. The Creole hare or mara, are incredibly docile, it cohabits easily with the man although it should be protected by the Provincial Law of Hunt and Nº Fishes 3585, it is in extinction roads. Equally the gray fox whose skin is highly quotable, the same as the cat of the pajonal and the mountain one. For it is recommended it the don't use of coats of natural skin. The partridge, survives in spite of her extensive depredadores list, prey birds, ferrets, foxes, cats, vipers, weasels and the man.
The owls, hawks, chimangos, jotes and condors, feed of small mammals that harm the cereals, of there their importance. In the mountains of the Jaws, of San Luis and Comechingones the condor lives. Of twelve kilos of weight and three span meters, it is able to fly with the biggest stateliness and elegance. it feeds of carrion and small animals. Until some years ago the condorero occupation, person that was devoted to kill the condor by means of a bait of a dead animal, existed when too heavy for the ingesta, it could not chase and to lift flight quickly.