It is endemic to the southern parts of Argentina and Chile, primarily Patagonia and Tierra Del Fuego.

The South American gray fox is a small fox-like canid, weighing 2.5 to 5.45 kilograms (5.5 to 12.0 lb), and measuring 65 to 110 centimetres (26 to 43 in) in length including a tail of 20 to 43 cm (8 to 17 in).

[2] In Argentina, this species inhabits the western semiarid region of the country, from the Andean spurs (ca.

[5] The South American gray fox breeds in early austral autumn, around March.

The South American gray fox is a largely solitary animal that has long been hunted for its pelt.

The foxes sometimes go near human habitations in search of food, such as chickens and sheep, but tend to avoid areas visited by dogs.