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Thaptomys nigrita

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CRICETIDAE

Scientific Name: Thaptomys nigrita
Species Authority: (Lichtenstein, 1830)
Common Name/s:
English Blackish Grass Mouse
Spanish Raton Subterraneo
Synonym/s:
Akodon nigrita (Lichtenstein, 1829)
Taxonomic Notes: The genus need taxonomic revision; this taxa could be two species.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor/s: Patton, J., Catzeflis, F., Weksler, M., Percequillo, A. D'Elia, G. & 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 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.

Geographic Range [top]

Range Description: This species occurs in southeastern Brazil (Sao Paulo, Parana, Santa Catarina and Rio Grande do Sul States) in Argentina (it found in Misiones Province) and the eastern Paraguay (Musser and Carleton, 2005).
Countries:
Native:
Argentina; Brazil; Paraguay; Uruguay
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is considered rare (not easy to capture) and not abundant (not caught in numbers) (Bonvicino et al., 2002). Their population varies according to geographic range but generally uncommon.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This speciesd occurs from premontane to higher altitude humid habitats and has been reported from mountain fields, mountain scrub, primary and secondary forest (Bonvicino et al. 2002). It is a widespread species inhabiting conserved and altered vegetation but appears to have a restricted habitat use. The species is not limited in distribution by vegetation or elevation in Caparao National Park. It is a terrestrial insectivore (Bergallo pers. comm.), and typically a lowland species except for the Bahian range where it is found at higher altitudes (Leite pers. comm.).
Systems: Terrestrial

Threats [top]

Major Threat(s): No major threats for this species.

Conservation Actions [top]

Conservation Actions: This species occurs in the Caparao National Park (Bonvicino et al., 2002), Itatiaia National Park, Estacao Biologica de Boraceia, Serra dos Orgaos National Park, Augusto Ruschi Biological Reserve, and several other protected areas.
Citation: Patton, J., Catzeflis, F., Weksler, M., Percequillo, A. D'Elia, G. & Pardinas, U. 2008. Thaptomys nigrita. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 23 April 2014.
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