|Scientific Name:||Microryzomys altissimus|
|Species Authority:||(Osgood, 1933)|
|Taxonomic Notes:||The Colombian distribution may be a separate species.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor/s:||Gómez-Laverde, M., Rivas, B. & Delgado, C.|
|Reviewer/s:||Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)|
This species is listed as Least Concern in view of its wide distribution, presumed large population, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category. The Colombian distribution is likely to be a distinct species which may qualify for inclusion in a threat category, however, taxonomic review is required.
|Range Description:||This species occurs in the Andes of Colombia, Ecuador, and Peru, mostly 2,500 to 4,000 m (Musser and Carleton, 2005).|
Native:Colombia; Ecuador; Peru
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||It can be locally common.|
|Habitat and Ecology:||This species occurs in the subalpine and páramo formations (Musser and Carleton, 2005). Little is known of the behavior of this species, but it is probably similar to other member of the genus (M. minutus).|
|Major Threat(s):||Major threats are deforestation and agriculture in páramo areas in some parts of its range (R. Anderson pers. comm.).|
|Conservation Actions:||It occurs in a number of protected areas in the southern distribution but only one in the northern distribution.|
IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: http://www.iucnredlist.org. (Accessed: 5 October 2008).
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.
|Citation:||Gómez-Laverde, M., Rivas, B. & Delgado, C. 2008. Microryzomys altissimus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 June 2013.|
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