Animalia > Chordata > Mammalia > Rodentia > Cricetidae > Scapteromys > Scapteromys tumidus

Scapteromys tumidus (swamp rat)

Synonyms: Mus tumidus (homotypic)

Wikipedia Abstract

Waterhouse's swamp rat, Scapteromys tumidus, is a semiaquatic rodent species from South America. 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. Its karyotype has 2n = 24, substantially lower than its closest relative S. aquaticus with 2n = 32.
View Wikipedia Record: Scapteromys tumidus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
21
 Unique & Vulnerable (100)
ED Score: 7.46
EDGE Score: 2.13
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  146 grams
Diet [2]  Carnivore (Invertebrates), Granivore, Herbivore
Diet - Invertibrates [2]  70 %
Diet - Plants [2]  10 %
Diet - Seeds [2]  20 %
Forages - Ground [2]  100 %
Litter Size [3]  4
Snout to Vent Length [3]  8 inches (20 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Dry Chaco Bolivia, Paraguay, Argentina Neotropic Tropical and Subtropical Dry Broadleaf Forests
Humid Chaco Argentina, Paraguay, Brazil Neotropic Tropical and Subtropical Grasslands, Savannas, and Shrublands
Humid Pampas Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Paraná flooded savanna Argentina Neotropic Flooded Grasslands and Savannas
Uruguayan savanna Uruguay, Brazil, Argentina Neotropic Tropical and Subtropical Grasslands, Savannas, and Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Bañados del Este Wetland Reserve 986054 Uruguay  
Defensores del Chaco National Park II 1792493 Paraguay  
Reserva Natural Otamendi Strict Nature Reserve Ia   Buenos Aires, Argentina  
Río Negro National Park II 73775 Paraguay  
Río Pilcomayo National Park II 123699 Formosa, Argentina

Consumers

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Felisa A. Smith, S. Kathleen Lyons, S. K. Morgan Ernest, Kate E. Jones, Dawn M. Kaufman, Tamar Dayan, Pablo A. Marquet, James H. Brown, and John P. Haskell. 2003. Body mass of late Quaternary mammals. Ecology 84:3403
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
♦ 5International Flea Database
♦ 6Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0