576.

Tarija Grass Mouse

Akodon pervalens

French: Akodon du Tarija / German: Tarija-Graslandmaus / Spanish: Raton campestre de Tarija

Other common names: Tarija Akodont

Taxonomy. Akodon sylvanus pervalens Thomas, 1925, Carapari, 1000 m, Tarja, Bolivia .

Taxonomy of A. pervalens is poorly explored. Monotypic.

Distribution. Known only from a few localities in Chuquisaca and Tarija departments, SC Bolivia.

Descriptive notes. Head-body 116 mm, tail 93 mm, ear 19 mm, hindfoot 25 mm (holotype measurements). No specific data are available for body weight. The Tarija Grass Mouse is a moderately large species of Akodon . Dorsum is dark grayish or brownish olive; ventral hairs have dark bases and buffy tips; eye-rings and white spots on chin or throat are absent; and tail is unicolored dark.

Habitat. Humid Yungas forest, Chaco woodland, and semiarid inter-Andean valleys at elevations of 900-2100 m.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red Last.

Bibliography. Anderson (1997), Dunnum, Vargas & Bernal (2008b), Jayat, Ortiz et al. (2007), Myers (1990), Pardinas, Teta, Alvarado-Serrano et al. (2015).