Animalia > Chordata > Mammalia > Carnivora > Canidae > Lycalopex > Lycalopex griseus

Lycalopex griseus (South American Gray Fox)

Synonyms: Pseudalopex griseus

Wikipedia Abstract

The South American gray fox (Lycalopex griseus), also known as the Patagonian fox, the chilla or the gray zorro, is a species of Lycalopex, the "false" foxes. It is endemic to the southern part of South America.
View Wikipedia Record: Lycalopex griseus

Invasive Species

In its native range the chilla, Lycalopex griseus is scare and is rarely seen in the wild because of hunting. Native to mainland South America it was introduced into the Falkland where it has proved to have a negative impact on native birds.
View ISSG Record: Lycalopex griseus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 2.75
EDGE Score: 1.32


Adult Weight [1]  8.80 lbs (3.99 kg)
Diet [2]  Omnivore
Gestation [1]  56 days
Litter Size [1]  4
Maximum Longevity [1]  11 years
Nocturnal [2]  Yes


Name Countries Ecozone Biome Species Report Climate Land
Atacama desert Chile Neotropic Deserts and Xeric Shrublands
Chilean matorral Chile Neotropic Mediterranean Forests, Woodlands, and Scrub
Dry Chaco Bolivia, Paraguay, Argentina Neotropic Tropical and Subtropical Dry Broadleaf Forests
Espinal Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
High Monte Argentina Neotropic Deserts and Xeric Shrublands  
Humid Chaco Argentina, Paraguay, Brazil Neotropic Tropical and Subtropical Grasslands, Savannas, and Shrublands
Low Monte Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Magellanic subpolar forests Chile, Argentina Neotropic Temperate Broadleaf and Mixed Forests
Patagonian steppe Chile, Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Southern Andean Yungas Bolivia, Argentina Neotropic Tropical and Subtropical Moist Broadleaf Forests
Valdivian temperate forests Chile, Argentina Neotropic Temperate Broadleaf and Mixed Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Bosques Petrificados Monumental Natural National Monument III 151218 Santa Cruz, Argentina  
Laguna Blanca National Park II 19735 Neuquen, Argentina  
Lanín National Park II 536819 Neuquen, Argentina
Los Alerces National Park II 463045 Chubut, Argentina  
Los Glaciares National Park II 1329020 Santa Cruz, Argentina
Nahuel Huapi National Park II 759703 Argentina  
Parque Nacional Torres del Paine National Park II 542393 Magallanes, Chile  
Reserva de la Biosfera San Guillermo Biosphere Reserve 2446343 Argentina  
Tierra Del Fuego National Park II 172861 Argentina

Biodiversity Hotspots

Name Location Endemic Species Website
Chilean Winter Rainfall-Valdivian Forests Chile No
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela No

Prey / Diet

Cryptocarya alba (Peumo)[3]
Eligmodontia typus (highland gerbil mouse)[3]
Lepus europaeus (European Hare)[3]
Lithraea caustica[3]
Prosopanche americana[3]
Spalacopus cyanus (Coruro)[4]
Zaedyus pichiy (Pichi)[5]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Bubo virginianus (Great Horned Owl)1
Caracara plancus (Southern Crested Caracara)3
Falco sparverius (American Kestrel)1
Galictis cuja (Lesser Grison)1
Geranoaetus melanoleucus (Black-chested Buzzard-Eagle)2
Harpyhaliaetus coronatus (Crowned Solitary Eagle)1
Leopardus colocolo (Colocolo)1
Lycalopex gymnocercus (Pampas Fox)2
Parabuteo unicinctus (Harris's Hawk)1
Puma concolor (Cougar)1


Parasitized by 
Ctenocephalides canis (Dog flea)[6]
Delostichus talis[6]
Ectinorus barrerai[6]
Ectinorus ixanus[6]
Malacopsylla grossiventris[6]
Phthiropsylla agenoris[6]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Jardin Zoologico de Cdad.Buenos Aires

Range Map



Attributes / relations provided by 1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774 2Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at 33.6 Chilla, Pseudalopex griseus, R. González del Solar and J. Rau, Sillero-Zubiri, C., Hoffmann, M. and Macdonald, D.W. (eds). 2004. Canids: Foxes, Wolves, Jackals and Dogs. Status Survey and Conservation Action Plan. IUCN/SSC Canid Specialist Group. Gland, Switzerland and Cambridge, UK. x + 430 pp. 4Spalacopus cyanus, Juan C. Torres-Mura and Luis C. Contreras, MAMMALIAN SPECIES No.594, pp. 1-5 (1998) 5Zaedyus pichiy (Cingulata: Dasypodidae), MARIELLA SUPERINA AND AGUSTIN M. ABBA, MAMMALIAN SPECIES 46(905):1–10 (2014) 6International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access