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Title: Galictis  
Author: World Heritage Encyclopedia
Language: English
Subject: Mustelidae, Greater grison, Lesser grison, Jackson's mongoose, Mustelinae
Collection: Mammals of Guyana, Mustelinae
Publisher: World Heritage Encyclopedia


Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Mustelidae
Subfamily: Mustelinae
Genus: Galictis
Bell, 1826

Galictis cuja
Galictis vittata

Galictis range

A grison, also known as a South American wolverine,[1] is any mustelid in the genus Galictis. Native to Central and South America, the genus contains two extant species: the greater grison (Galictis vittata), which is found widely in South America, through Central America to southern Mexico; and the lesser grison (Galictis cuja), which is restricted to the southern half of South America. In Spanish it is referred to as a huroncito (literally "little ferret") or grisón and in Portuguese as a furão.

Grisons measure up to 60 cm (24 in) in length,[2] and weigh between 1 to 3 kg (2.2 to 6.6 lb). The lesser grison is slightly smaller than the greater grison. Grisons generally resemble a skunk, but with a smaller tail, shorter legs, wider neck, and more robust body. The pelage along the back is a frosted gray with black legs, throat, face, and belly. A sharp white stripe extends from the forehead to the back of the neck.

They are found in a wide range of habitats from semi-open shrub and woodland to low-elevation forests. They are generally terrestrial, burrowing and nesting in holes in fallen trees or rock crevices, often living underground. They are omnivorous, consuming fruit and small animals (including mammals). Little is known about grison behavior for multiple reasons, including the fact that their necks are so wide compared to their heads, an unusual difficulty that has made radio tracking problematic.


Grisons first appeared in South America during the early Pleistocene about 2.5 million years ago. They may be descended from the fossil genera Trigonictis and Sminthosinus, which lived in North America during the mid to late Pliocene.[2] There are at least three known fossil species, all of which were found in Argentina:[3]

  • Galictis hennigi
  • Galictis sanandresensis
  • Galictis sorgentinii


  1. ^
  2. ^ a b Yensen, E. & Tarifa, T. (2003). "Galictis vittata". Mammalian Species: Number 727: pp. 1–8.  
  3. ^ Yensen, E. & Tarifa, T. (2003). "Galictis vittata". Mammalian Species: Number 727: pp. 1–8.  
  • Nowak, Ronald M. (2005). Walker's Carnivores of the World. Baltimore: Johns Hopkins Press ISBN 0-8018-8032-7
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