The silent grass mouse or slate-bellied akodont (''Akodon surdus'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are roden ...

in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, a ...

. It is endemic to

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

Distribution and habitat

The silent grass mouse lives primarily in the

Cusco Region Cusco, also spelled Cuzco (; qu, Qusqu suyu ), is a department and region in Peru and is the fourth largest department in the country, after Madre de Dios, Ucayali, and Loreto. It borders the departments of Ucayali on the north; Madre de ...

in the south east of

at altitudes of between 1,500 and 3,000m. Its habitat is generally confined to humid montane forests and it can also persist in selectively logged areas.

Threats

The grass mouse is listed as a vulnerable species on the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

and its numbers are thought to be decreasing. This is mainly due to human settlement, commercial

clearcutting Clearcutting, clearfelling or clearcut logging is a forestry/ logging practice in which most or all trees in an area are uniformly cut down. Along with shelterwood and seed tree harvests, it is used by foresters to create certain types of fore ...

and farmland creation which is degrading and declining the Andean forests where the grass mouse lives.

References

*Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore. Akodon Mammals of Peru Mammals described in 1917 Taxa named by Oldfield Thomas Taxonomy articles created by Polbot {{Akodon-stub