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Holochilus brasiliensis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CRICETIDAE

Scientific Name: Holochilus brasiliensis
Species Authority: (Desmarest, 1819)
Common Name(s):
English Web-footed Marsh Rat
Taxonomic Notes: The genus needs taxonomic revision.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Weksler, M., Queirolo, D., Brito, D., Pardinas, U. & Teta, P.
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, 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.

Geographic Range [top]

Range Description: This species occurs in southeastern Brazil, throughout Uruguay, and east central Argentina (Musser and Carleton, 2005).
Countries:
Native:
Argentina; Brazil; Uruguay
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species can be a pest in sugarcane and rice fields.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This is a semi aquatic rodent occurring in low marshy areas and gallery forests where it feeds tender parts of plants (Eisenberg and Redford, 1999). Timing of reproduction is influenced by rains but usually falls between spring and the end of summer producing 3-6 young (Gonzalez 2001).
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The major threats are habitat destruction and fragmentation.

Conservation Actions [top]

Conservation Actions: The species occurs in several protected areas.

Bibliography [top]

Eisenberg, J.F. and Redford, K.H. 1999. Mammals of the Neotropics: The Central Neotropics. The University of Chicago Press, Chicago, USA.

Gonzalez, E. M. 2001. Guia de Campo de los Mamiferos de Uraguay. Introduccion al Estudio de los Mamiferos. Vida Silvestre, Montevideo, Uruguay.

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: Weksler, M., Queirolo, D., Brito, D., Pardinas, U. & Teta, P. 2008. Holochilus brasiliensis. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 01 October 2014.
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