 The lesser Wilfred's mouse is endemic to northeastern Argentina and southeastern Brazil.Its physical appearance ranges from dark brown to light orange coloration and the typical size is small to medium.This species is arboreal, spending most of its time trees and living in the local forests at altitudes from sea level to 2000 m. Currently, this species is listed as Least Concern by the IUCN, but, threats include livestock farming, ranching, and wood harvesting.