633.

Cinnamon-colored Oldfield Mouse

Thomasomys cinnameus

French: Thomasomys cannelle / German: Zimtfarbene Paramomaus / Spanish: Raton de erial canela

Other common names: Cinnamon-colored Thomasomys

Taxonomy. Thomasomys cinnameus Anthony, 1924, Hacienda San Francisco, 8000 ft. (= 2438 m), east of Ambato, Tungurahua, Ecuador.

Thomasomys cinnameus probably encompasses more than one taxon, but additional taxonomic research is needed. Monotypic.

Distribution. Andes of Ecuador and Colombia.

Descriptive notes. Head-body 82-90 mm, tail 110-128 mm, ear 14-16 mm, hindfoot 21-23 mm; weight 14-19 g. Dorsal pelage of the Cinnamon-colored Oldfield Mouse is long and soft, usually exceeding 10 mm in midline of back. Dorsum is cinnamon-brown, gradually changing to clay color on sides, and venter is cinnamon-buff. Mystacial vibrissae are moderately long, extending slightly beyond posterior margin of pinnae when bent. Tail is long to very long, finely annulated, thinly haired, and uniformly clove-brown. Hindfoot is short, slender, and clove-brown; hands are same color.

Habitat. Primary montane forest at elevations of 2400-3800 m. In Ecuador, some Cinnamon-colored Oldfield Mice have been recorded on mossy boulders and on the ground in subalpine rainforest.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. The Cinnamon-colored Oldfield Mouse is nocturnal. Although mainly terrestrial, the species lives in trees laden with epiphytes in Sangay National Park, Ecuador.

Movements, Home range and Social organization. No information.

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

Bibliography. Barnett (1999), Brito & Arguero (2016), Brito & Ojala-Barbour (2016), Cabrera (1961), Lee et al. (2011), Musser & Carleton (1993), Pacheco (2003, 2015b, 2016e), Salazar-Bravo & Yates (2007), Voss (1993).