Pearson's tuco-tuco

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Pearson's tuco-tuco
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Ctenomyidae
Genus: Ctenomys
Species: C. pearsoni
Binomial name
Ctenomys pearsoni
Lessa & Langguth, 1983

Pearson's tuco-tuco (Ctenomys pearsoni) is a species of rodent in the family Ctenomyidae.[2] It is endemic to Uruguay, where it is found at elevations below 200 m.[1] This tuco-tuco constructs burrows with multiple openings (an average of 13) containing one to two nests of dried grass; it prefers areas of sandy soil but is somewhat adaptable.[1] It is threatened by loss of habitat to development, agriculture and ranching.[1] Multiple karyotypes have been reported, including 2n = 68-70, FN = 80-88, as well as 2n = 56, FN = 77-79, suggesting the taxon may represent several species.[2] C. dorbignyi appears to be cytogenetically indistinguishable from the 2n = 70 form.[2] The species is named after American zoologist Oliver Payne Pearson.[3][4]


  1. ^ a b c d Bidau, C.; Lessa, E. & Ojeda, R. (2008). "Ctenomys pearsoni". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 5 January 2009. 
  2. ^ a b c Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494. 
  3. ^ Lidicker, W. Z.; Patton, J. L. "In Memoriam: Oliver Payne Pearson". Online Biographies of UC Faculty and Administrators. Retrieved 2012-05-11.  External link in |work= (help)
  4. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2009-09-28). The Eponym Dictionary of Mammals. The Johns Hopkins University Press. pp. 312–313. ISBN 978-0801893049. OCLC 270129903.