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Guianan Bristly Mouse

Neacomys guianae

French: Néacomys du Guyana / German: Guyana-Stachelreisratte / Spanish: Raton erizado de Guayana

Other common names: Guiana Bristly Mouse, Guianan Neacomys

Taxonomy. Neacomys guianae Thomas, 1905, “ Demerara River, British Guiana [= Guyana]. Alt. 120 feet [= 37 m].” This species is monotypic.

Distribution. SE Venezuela, Guyana, Suriname, and probably adjacent NE Brazil.

Descriptive notes. Head-body 64-85 mm, tail 67-81 mm, ear 12-16 mm, hindfoot 19-20 mm; weight 10-16 g (mean 13 g). The Guianan Bristly Mouse is small, with tail about as long as head-body length and distinctly bicolored in some specimens, with small caudal scales; hindfoot has short outer digits. Diploid numberis 2n = 56.

Habitat. [Lowland and premontane moist broadleaf forests in the Guianan subregion of Amazonia. Guianan Bristly Mice preferred dense and humid forests with dense ground cover.

Food and Feeding. Diet of the Guianan Bristly Mouse, based on stomach contents, was 58:5% animal material and 41-5% plant material, mostly fruits.

Breeding. No information.

Activity patterns. The Guianan Bristly Mouse is nocturnal and terrestrial.

Movements, Home range and Social organization. No information.

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

Bibliography. Bongers et al. (2001), Cardoso (2011), Catzeflis & Tilak (2009), Emmons (1997), Guillotin (1982), Patton & Catzeflis (2016), da Silva et al. (2015), Voss et al. (2001), Weksler & Bonvicino (2015a).