Ctenomys osvaldoreigi 

Scope: Global
Language: English

Translate page into:

Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Ctenomyidae

Scientific Name: Ctenomys osvaldoreigi Contreras, 1995

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(i,ii,iii,iv) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Bidau, C., Lessa, E. & Ojeda, R.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Listed as Critically Endangered because its extent of occurrence is less than 100 kmĀ², its is known only from a single location and there is continuing decline in the extent and quality of its habitat. A fire severely impacted the population in 2006, which has been followed by the expansion of sheep herding which is further decimating remaining small populations.

Geographic Range [top]

Range Description:This species is known only from the type locality at Estancia San Luis, Cordoba Province, above 2,000 m asl in the Sierras Grandes, Argentina (Woods and Kilpatrick, 2005).
Countries occurrence:
Additional data:
Number of Locations:1
Lower elevation limit (metres):2000
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is known only from one very small population (Bidau pers. comm.).
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:C. osvaldoreigi occurs in highland grasslands.

Threats [top]

Major Threat(s): Severe fires struck population recently in 2006. Grazing also impacts population (Ojeda, Bidau and Lessa pers. comm.).

Conservation Actions [top]

Conservation Actions: It does not occur in any protected areas but it is listed as Endangered in red list of Argentina.

Citation: Bidau, C., Lessa, E. & Ojeda, R. 2008. Ctenomys osvaldoreigi. The IUCN Red List of Threatened Species 2008: e.T136390A4285234. . Downloaded on 23 September 2017.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided