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Tympanoctomys aureus 

Scope:Global
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_onStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Octodontidae

Scientific Name: Tympanoctomys aureus
Species Authority: Mares, Braun, Barquez & Diaz, 2000
Common Name(s):
English Golden Vizcacha Rat
Synonym(s):
Pipanacoctomys aureus Mares, Braun, Barquez & Diaz, 2000
Taxonomic Source(s): Dunnum, J. 2015. Family Caviidae G. Fischer, 1817. In: Patton, J.L., Pardiñas, U.F.J. and D'Elía, G. (eds), Mammals of South America , pp. 690-716. The Chicago Press.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(ii,iii) ver 3.1
Year Published: 2013
Date Assessed: 2008-07-01
Assessor(s): Ojeda, R. & Bidau, C.
Reviewer(s): Amori, G. & Schipper, J.
Justification:
Listed as Critically Endangered because its extent of occurrence is less than 100 km² and its area of occupancy is less than 10 km², all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat.
Previously published Red List assessments:
  • 2008 – Critically Endangered (CR)

Geographic Range [top]

Range Description:This species is known only from type locality at Salar de Pipanaco in Catamarca province, Argentina (27°50'S; 66°15'W) (Wilson and Reeder 2005).
Countries occurrence:
Native:
Argentina
Additional data:
Lower elevation limit (metres):680
Upper elevation limit (metres):680
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information available on the population status of this species.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:The habitat consists of perisaline shrublands associated with the salt pans of Pipanaco. Low shrubs dominate the area and the substrate is mainly sand with significant amounts of salt. The animals are restricted to a narrow band of halophytic plant habitat that lies between the bare salt and the more typical Monte Desert habitats (Mares et al., 2000). It specializes in feeding on halophite plants.
Systems:Terrestrial

Threats [top]

Major Threat(s): The major threat to this species is loss of habitat to agricultural expansion, in the form of olive plantations. Its area of occupancy is less than 10 km² and all individuals are in a single location.

Conservation Actions [top]

Conservation Actions: This species has not been found in any protected areas.

Citation: Ojeda, R. & Bidau, C. 2013. Tympanoctomys aureus. The IUCN Red List of Threatened Species 2013: e.T136557A22239730. . Downloaded on 23 July 2016.
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