Holochilus sciureus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Holochilus sciureus Wagner, 1842
Common Name(s):
English Marsh Rat
Taxonomic Notes: Holochilus sciureus may include a species complex.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-09-11
Assessor(s): Weksler, M. Queirolo, D. & Brito, D.
Reviewer(s): Amori, G.
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.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is broadly distributed, it reaches the Orinoco and Amazon River basins: Venezuela (including an isolated locality in the Maracaibo Basin, northwest of the Andes; see Linares, 1998), the Guianas, northern and central Brazil, and Amazonian regions of Colombia, Ecuador, Peru, and Bolivia (Musser and Carleton, 2005). It also occurs in Suriname (Weksler pers. comm.).
Countries occurrence:
Bolivia, Plurinational States of; Brazil; Colombia; Ecuador; French Guiana; Guyana; Peru; Suriname; Venezuela, Bolivarian Republic of
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This rodent is uncommon to common.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:During a survey along the Rio Juruá of the western Amazon of Brazil, the species was found in grass patches along the river margins and agricultural areas close to rivers (Patton et al. 2000). Some female specimens examined from August to November were either pregnant or lactating; young were also observed during these months (Patton et al. 2000).
Systems:Terrestrial; Freshwater
Generation Length (years):2

Threats [top]

Major Threat(s): There are no major threats to the species at this time.

Conservation Actions [top]

Conservation Actions: This species occurs in a number of protected areas.

Errata [top]

Errata reason: This errata assessment has been created because the map was accidentally left out of the version published previously.

Citation: Weksler, M. Queirolo, D. & Brito, D. 2016. Holochilus sciureus. (errata version published in 2017) The IUCN Red List of Threatened Species 2016: e.T10220A115096276. . Downloaded on 23 September 2017.
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