pampas fox, Azara's zorro (Lycalopex gymnocercus) AZARA'S DOG - Canis azarae.
Date 1890
Source http://www.flickr.com/photos/biodivlibrary/5988403986
Author St. George Jackson Mivart
Full title Dogs, jackals, wolves, and foxes: a monograph of the Canidae. With woodcuts, and 45 coloured plates drawn from nature by J.G. Keulemans and hand-coloured.
Source: https://commons.wikimedia.org/wiki/File:Dogs,_jackals,_wolves,_and_foxes_(Plate_XVII)_(5988403986).jpg
The pampas fox (Lycalopex gymnocercus), also known as grey pampean fox, aguará chaí, aguarachay, Azara's fox, or Azara's zorro is a medium-sized zorro, or false fox, native to the South American pampas. The alternative common names are references to Spanish naturalist Félix de Azara.