585.

Toba Grass Mouse

Akodon toba

French: Akodon des Tobas / German: Toba-Graslandmaus / Spanish: Raton campestre de toba

Other common names: Chaco Grass Mouse, Toba Akodon

Taxonomy. Akodon toba Thomas, 1921, “Jesematathla, Northern Chaco [Presidente Hayes Dept., Paraguay]. Alt. 100 m. ”

Taxonomy of A. toba is poorly resolved. Monotypic.

Distribution. SE Bolivia, W Paraguay, extreme SW Brazil, and N Argentina .

Descriptive notes. Head-body 91-126 mm, tail 67-85 mm, ear 16-20 mm, hindfoot 24-27 mm; weight 25-57 g. The Toba Grass Mouse is a moderately large species of Akodon . Dorsum is olivaceous, finely ticked with gray; eye-ring is present but not clearly defined; venteris frosted grayish, white, or buffy; some specimens have white spot on chin; and tail is sharply bicolored.

Habitat. Chacoan ecoregion, including grassland, patches of forest intermingled with palm savanna, marshland, thorn forest, semiarid scrublands, and gallery forest, at elevations below 1000 m.

Food and Feeding. No information.

Breeding. Shedding by Toba Grass Mice was recorded in November.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Least Concern on The IUCN Red List.

Bibliography. Anderson (1997), Bonvicino, Oliveira & D'Andrea (2008), Braun et al. (2008), Caceres, Carmignotto et al. (2008), Diaz & Barquez (2007), Diaz et al. (2000), Jayat, D'Elia & Teta (2016), Jayat, Ortiz & Miotti (2009), Jayat, Ortiz, Teta et al. (2006), Massoia (1971a), Myers (1990), Pardinas & Teta (2005), Pardinas, Teta, Alvarado-Serrano et al. (2015), Yahnke et al. (2001).