Anderson's mouse opossum  (Marmosa andersoni)

Anderson's mouse opossum is known from only three localities, within a narrow strip along the base of the Andes, in Cusco, southern Peru (1) (2) (3).

Little is known about the habitat requirements of this species, except that it has been found in lowland tropical rainforest, below 1,000 metres, often around bamboo thickets (2). It is thought that the species is arboreal (1) (3), but specimens were not found more than three metres above the ground (2).