|Scientific Name:||Oligoryzomys microtis|
|Species Authority:||(Allen, 1916)|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Patton, J., Weksler, M., Bonvicino, C. & 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, presumed large population, occurrence in a number of protected areas, tolerance to some degree of habitat modification, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
|Range Description:||The species occurs throughout northwestern Brazil, south of the Solimoes-Amazon Rivers, and in the contiguous lowlands of Peru and Bolivia (Musser and Carleton 2005).|
Native:Bolivia, Plurinational States of; Brazil; Paraguay; Peru
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This species is extremely common in the appropriate habitat.|
|Habitat and Ecology:||This species occurs in tropical rainforest; it is found on primary, forest edges and secondary growth habitats. Although this species is distributed widely within the Rio Juruá basin (Brazil), it has a very restricted and unique habitat range. It is thought that animals grow rapidly and reach maturity quickly, breeding in successive bouts, in the dry season. Litter sizes based on embryo counts ranged from 2 to 8, with a mode of 4.|
|Major Threat(s):||There are no major threats.|
|Conservation Actions:||This species occurs in several protected areas.|
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:||Patton, J., Weksler, M., Bonvicino, C. & Percequillo, A. 2008. Oligoryzomys microtis. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 28 November 2014.|