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Calomys laucha

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CRICETIDAE

Scientific Name: Calomys laucha
Species Authority: (Fischer, 1814)
Common Name(s):
English Small Vesper Mouse
Taxonomic Notes: The records found in Uruguay should be taxonomically reviewed (G. D'Elias pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Christoff, A., Weksler, M., Vieira, E, D'Elia, G., Jayat., J.P. & Pardinas., U.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Justification:
This species is listed as Least Concern in because of its wide distribution, presumed large population, occurrence in a number of protected areas, occurs in agricultural land, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

Geographic Range [top]

Range Description: This species occurs in south central Bolivia (Chaco), north and east central Argentina, west Paraguay, west central and extreme south Brazil and Uruguay (González et al., 1995).
Countries:
Native:
Argentina; Bolivia, Plurinational States of; Brazil; Paraguay; Uruguay
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is relatively common in Rio Grande do Sul; also common in agricultural areas and open vegetation throughout the range (Christoff pers. comm.).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This rodent is found in dry biotopes (González et al., 1995), agricultural areas, open vegetation (Christoff pers. comm.), meadows, mountain ranges and coastal sandbanks (Gonzalez 2001). Gestation is 25 days and produces litters of 4-8 young (Gonzalez 2001)
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no major threats affecting this species (Christoff pers. comm.).

Conservation Actions [top]

Conservation Actions: The species occurs in several protected areas throughout its range (Christoff pers. comm.).

Citation: Christoff, A., Weksler, M., Vieira, E, D'Elia, G., Jayat., J.P. & Pardinas., U. 2008. Calomys laucha. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 22 October 2014.
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