Animalia > Chordata > Mammalia > Rodentia > Chinchillidae > Lagostomus > Lagostomus maximus

Lagostomus maximus (Plains viscacha)

Synonyms: Lagostomus pamparum; Lagostomus trichodactylus; Viscaccia americana

Wikipedia Abstract

The plains viscacha or plains vizcacha (Lagostomus maximus) is a species of rodents in the family Chinchillidae. It is the only living species within the genus Lagostomus. It is found in Argentina, Bolivia, and Paraguay. The plains viscacha is the largest species in its family. They construct elaborate burrows that house successive colonies for decades.
View Wikipedia Record: Lagostomus maximus


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 17.94
EDGE Score: 2.94


Adult Weight [1]  11.35 lbs (5.15 kg)
Birth Weight [2]  200 grams
Female Weight [1]  8.82 lbs (4.00 kg)
Male Weight [1]  13.89 lbs (6.30 kg)
Weight Dimorphism [1]  57.5 %
Female Maturity [2]  8 months 18 days
Male Maturity [2]  1 year 3 months
Diet [3]  Granivore, Herbivore
Diet - Plants [3]  60 %
Diet - Seeds [3]  40 %
Forages - Ground [3]  100 %
Gestation [2]  5 months 4 days
Litter Size [2]  2
Litters / Year [2]  2
Maximum Longevity [2]  11 years
Weaning [2]  54 days


Name Countries Ecozone Biome Species Report Climate Land
Central Andean puna Argentina, Bolivia, Peru Neotropic Montane Grasslands and Shrublands
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
Humid Pampas Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Low Monte Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Paraná flooded savanna Argentina Neotropic Flooded Grasslands and Savannas
Patagonian steppe Chile, Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Southern Andean steppe Argentina, Chile Neotropic Montane Grasslands and Shrublands
Southern Andean Yungas Bolivia, Argentina Neotropic Tropical and Subtropical Moist Broadleaf Forests
Southern Cone Mesopotamian savanna Argentina Neotropic Flooded Grasslands and Savannas

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
El Palmar National Park II   Entre Rios, Argentina  
Parque Atlantico Mar Chiquita Nature Reserve VI 706059 Cordoba, Argentina  
Reserva Ecologica de Ñacuñan Ecological Reserve Ia   Argentina  
Teniente Enciso National Park II 102327 Paraguay  
Tinfunqué National Park 607935 Paraguay  

Biodiversity Hotspots

Name Location Endemic Species Website
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela No

Prey / Diet

Condalia microphylla[1]
Cynodon incompletus (cynodon)[1]
Schinus johnstonii[1]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Lycalopex gymnocercus (Pampas Fox)1


Galictis cuja (Lesser Grison)[1]
Lycalopex gymnocercus (Pampas Fox)[1]
Puma concolor (Cougar)[1]


Parasitized by 
Ectinorus galeanus[4]
Graphidioides affinis <Unverified Name>[5]
Graphidioides rudicaudatus <Unverified Name>[5]
Hectopsylla gemina[4]
Hectopsylla stomis[4]
Lagostonema ecasiense <Unverified Name>[5]
Polygenis byturus[4]
Pulex irritans (human flea)[4]
Vianella viscaciae <Unverified Name>[5]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Amazon World
Parque De Animales Silvestres Temaikèn
Schoenbrunner Tiergarten GmbH
Wilhelma Zoo
Zoo of Antwerp
Zoo Zürich

Range Map



Attributes / relations provided by
1Lagostomus maximus, John E. Jackson, Lyn C. Branch, and Diego Villarreal, MAMMALIAN SPECIES No. 543, pp. 1-6 (1996)
2de 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
3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
4International Flea Database
5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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