Article · Wikipedia archive · Last revised Jul 19, 2026

Gray leaf-eared mouse

The gray leaf-eared mouse is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay; its habitat includes the Gran Chaco.

Last revised
Jul 19, 2026
Read time
≈ 1 min
Length
289 w
Citations
6
Source
Gray leaf-eared mouse
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Genus: Graomys
Species:
G. griseoflavus
Binomial name
Graomys griseoflavus
Synonyms2

Mus griseo-flavus
Phyllotis griseo-flavus

The gray leaf-eared mouse (Graomys griseoflavus) is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay; its habitat includes the Gran Chaco.1

This is a variable and widely distributed species that can be found in many habitat types. It is considered to be a species complex, and some populations might be considered separate species.34 Genus Graomys contains species once considered to be part of the complex.5

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