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Thomasomys ladewi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CRICETIDAE

Scientific Name: Thomasomys ladewi
Species Authority: Anthony, 1926
Common Name(s):
English Ladew's Oldfield Mouse
Taxonomic Notes: This is a species complex that is under revision (V. Pacheco pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Pacheco, V. & Vargas, J.
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.
History:
1996 Lower Risk/least concern (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description: This species is known only from a restricted region in La Paz Department, Andes of northwest Bolivia (Musser and Carleton, 2005). It has an altitudinal range of 2,610 to 3,300 m (J. Vargas pers. comm.).
Countries:
Native:
Bolivia, Plurinational States of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is locallly common (V. Pacheco pers. comm.).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is terrestrial. This rodent occurs in montane forest and paramo. It is present in primary and second growth forest (V. Pacheco and J. Vargas pers. comm.).
Systems: Terrestrial

Threats [top]

Major Threat(s): Some populations are threatened by deforestation, fragmentation, and agriculture.

Conservation Actions [top]

Conservation Actions: This rodent occurs in Cotapata National Park (J. Vargas pers. comm.).

Citation: Pacheco, V. & Vargas, J. 2008. Thomasomys ladewi. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 21 August 2014.
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