Animalia > Chordata > Mammalia > Rodentia > Cricetidae > Oligoryzomys > Oligoryzomys flavescensOligoryzomys flavescens (yellow pygmy rice rat)Oligoryzomys flavescens, also known as the flavescent colilargo or yellow pygmy rice rat is a species of rodent in the genus Oligoryzomys of family Cricetidae. It is found in southern South America, occurring in southern Brazil, Paraguay, Uruguay, and northeastern Argentina. Its karyotype has 2n = 64-66 and FNa = 66-70. |
Uniqueness Scale: Similiar (0) Unique (100) Uniqueness & Vulnerability Scale: Similiar & Secure (0) Unique & Vulnerable (100) ED Score: 2.25 EDGE Score: 1.18 |
| Adult Weight [1] | 21.3 grams |  | | Diet [2] | Carnivore (Invertebrates), Frugivore, Granivore | | Diet - Fruit [2] | 30 % | | Diet - Invertibrates [2] | 30 % | | Diet - Seeds [2] | 40 % | | Forages - Ground [2] | 100 % | | | Litter Size [3] | 4 | | Nocturnal [2] | Yes | | Snout to Vent Length [3] | 6 inches (16 cm) |
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| Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Climate |
Land
Use |
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Alta Paraná Atlantic forests |
Brazil, Paraguay, Argentina |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Araucaria moist forests |
Brazil |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Atlantic Coast restingas |
Brazil |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Espinal |
Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Humid Chaco |
Argentina, Paraguay, Brazil |
Neotropic |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Humid Pampas |
Argentina |
Neotropic |
Temperate Grasslands, Savannas, and Shrublands |
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Paraná flooded savanna |
Argentina |
Neotropic |
Flooded Grasslands and Savannas |
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Serra do Mar coastal forests |
Brazil |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Southern Atlantic mangroves |
Brazil |
Neotropic |
Mangroves |
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Southern Cone Mesopotamian savanna |
Argentina |
Neotropic |
Flooded Grasslands and Savannas |
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Uruguayan savanna |
Uruguay, Brazil, Argentina |
Neotropic |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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| Name |
Location |
Endemic |
Species |
Website |
|
Atlantic Forest |
Argentina, Brazil, Paraguay, Uruguay |
No |
|
 |
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Cerrado |
Brazil |
No |
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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 ♦ 4Small-scale spatial variability in the diet of pampas foxes (Pseudalopex gymnocercus) and human-induced changes in prey base, Ariel A. Farias, Marcelo J. Kittlein, Ecol Res (2008) 23: 543550 ♦ 5Owl, R. B. First detailed dietary information for Rusty-barred Owl Strix hylophila. Cotinga 39 pp. 47-48 ♦ 6International Flea Database♦ 7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
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
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