Euryoryzomys macconnelli


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Euryoryzomys macconnelli
Species Authority: (Thomas, 1910)
Common Name(s):
English Macconnell's Rice Rat
Oryzomys macconnelli Thomas, 1910
Taxonomic Notes: Oryzomys is a generic synonym (Weksler et al. 2006). Probably includes a complex species (Patton pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Patton, J., Catzeflis, F., Weksler, M. & Percequillo, A.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Least Concern in because of its wide distribution, occurrence in a number of protected areas, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
1996 Lower Risk/least concern (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description: This species occurs in tropical evergreen rainforest, from sea level to 1,524 m, of south and central Colombia, eastern Ecuador and Peru, eastwards to south Venezuela, Guianas, and northern Brazil (Musser et al., 1998).
Brazil; Colombia; Ecuador; French Guiana; Guyana; Peru; Suriname; Venezuela, Bolivarian Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This mouse is widespread but locally rare.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This is a forest-dwelling species. It is probably limited to pristine rainforest as it has never been found in secondary forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): Potential current and future threat posed by logging. The prospectors (“garimpeiros”) are a threat to this species in French Guiana and Suriname.

Conservation Actions [top]

Conservation Actions: This species has been found in several protected areas throughout its range. Further taxanomic research should be carried out to split in three and those new species re-evaluated for threats and threat status.

Bibliography [top]

Musser, G. G. and Carleton, M. D. 2005. Superfamily Muroidea. In: D. E. Wilson and D. A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Weksler, M., Percequillo, A. R. and Voss, R. S. 2006. Ten new genera of Oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1-29.

Citation: Patton, J., Catzeflis, F., Weksler, M. & Percequillo, A. 2008. Euryoryzomys macconnelli. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 29 March 2015.
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