Waterhouse's swamp rat

Waterhouse's swamp rat (Scapteromys tumidus) is a semiaquatic rodent species from South America.[2] It is found in southern Brazil, Uruguay and northern Argentina, where it lives in freshwater and salt marshes, as well as open grassland of the pampas.[1] Its karyotype has 2n = 24, substantially lower than its closest relative S. aquaticus with 2n = 32.[3]

Waterhouse's swamp rat
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Genus: Scapteromys
Species:
S. tumidus
Binomial name
Scapteromys tumidus
(Waterhouse, 1837)

References

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  1. ^ a b Queirolo, D.; Christoff, A.; D'Elia, G.; Pardinas, U. (2017) [amended version of 2016 assessment]. "Scapteromys tumidus". IUCN Red List of Threatened Species. 2017: e.T19945A121711379. Retrieved 28 June 2020.
  2. ^ Musser, G. G.; Carleton, M. D. (2005). "Scapteromys tumidus". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1172. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. ^ Musser, G. G.; Carleton, M. D. (2005). "Scapteromys aquaticus". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1172. ISBN 978-0-8018-8221-0. OCLC 62265494.