Cricetidae Author Don E. Wilson Author Russell A. Mittermeier Author Thomas E. Lacher, Jr text 2017 2017-11-30 Lynx Edicions Barcelona Handbook of the Mammals of the World – Volume 7 Rodents II 204 535 book chapter 80832 10.5281/zenodo.6707142 ab66b2b7-9544-4411-bf61-5bc3651d7bca 978-84-16728-04-6 6707142 564. White-bellied Grass Mouse Akodon albiventer French: Akodon a ventre blanc / German: \Weil3bauch-Graslandmaus / Spanish: Raton campestre de vientre blanco Other common names: \ White-bellied Akodont Taxonomy. Akodon albiventer Thomas, 1897 , “Lower Cachi.” Clarified byJ. P.Jayat and colleagues in 2010 as lower course of the Cachi River, which passes through the town of Cachi, Salta , Argentina . Treatment of A. berlepschii as a synonym of A. albiventer deserves additional research. Monotypic. Distribution. SE Peru through SW Bolivia and extreme NE Chile to NW Argentina . Descriptive notes. Head—body 86-109 mm, tail 69-77 mm, ear 13-13-5 mm, hindfoot 20-22 mm; weight 21-36 g. The White-bellied Grass Mouse is a small species of Akodon . Dorsum is pale grizzled grayish, contrasting with snowy white venter. Eyes have whitish eye-rings; ears have few whitish hairs that form indistinct post-auricular spots; dorsal surfaces of forefeet and hindfeet are pure white; and tail is short, well-haired, brown above and white on sides and below. Habitat. Open grasslands at high Andean environments and disturbed and cultivated areas at elevations of 2350-4500 m (most localities 3000-4500 m). Food and Feeding. The White-bellied Grass Mouse eats invertebrates (mainly insects), grass, and mycorrhizal spores. Breeding. Pregnancy of the White-bellied Grass Mouse probably occurs in late July. Lactating and pregnant females were trapped in February-March and December. Shedding individuals were collected in February—March, June, and December. Young individuals were observed in January-June. Activity patterns. The White-bellied Grass Mouse is terrestrial, diurnal, and solitary. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Least Concern on The [UCN Red Lust. Bibliography. Alvarez (2016), Anderson (1997), Diaz & Barquez (2007), Dunnum, Vargas, Bernal, Zeballos, Vivar, Patterson, Pardinas & Jayat (2016), Jayat et al. (2010), Mann (1978), Pardinas, Teta, Alvarado-Serrano et al. (2015), Pearson (1951a), Pine et al. (1979).