 Akodon spegazzinii , also known as Spegazzini 's akodont or Spegazzini 's grass mouse , is a rodent in the genus Akodon found in northwestern Argentina . It occurs in grassland and forest at 400 to 3 @,@ 500 m ( 1 @,@ 300 to 11 @,@ 500 ft ) above sea level . After the species was first named in 1897 , several other names were given to various populations now included in A. spegazzinii . They are now all recognized as part of a single , widespread and variable species . Akodon spegazzinii is related to Akodon boliviensis and other members of the A. boliviensis species group . It reproduces year @-@ round . Because it is widely distributed and common , Akodon spegazzinii is listed as " Least Concern " on the IUCN Red List . 
