Animalia > Chordata > Mammalia > Rodentia > Cricetidae > Oligoryzomys > Oligoryzomys nigripes

Oligoryzomys nigripes (black-footed pygmy rice rat)

Wikipedia Abstract

Oligoryzomys nigripes, also known as the black-footed colilargo or the black-footed pygmy rice rat, is a rodent in the genus Oligoryzomys of family Cricetidae. It is found from Pernambuco in northeastern Brazil through the Atlantic Forest and Cerrado into Paraguay, Uruguay, and Argentina, where it occurs in the provinces of Chaco, Misiones, and Buenos Aires. It is a large species with long ears, dark yellow to dark brown upperparts, sharply delimited from the whitish underparts, and often a pink girdle on the chest. The karyotype is 2n = 62, FNa = 78–82.
View Wikipedia Record: Oligoryzomys nigripes

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
6
 Unique & Vulnerable (100)
ED Score: 2.25
EDGE Score: 1.18
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  20.5 grams
Birth Weight [2]  3 grams
Diet [3]  Carnivore (Invertebrates), Frugivore, Granivore
Diet - Fruit [3]  30 %
Diet - Invertibrates [3]  30 %
Diet - Seeds [3]  40 %
Forages - Ground [3]  100 %
Female Maturity [2]  53 days
Gestation [2]  25 days
Litter Size [2]  3
Nocturnal [3]  Yes
Snout to Vent Length [2]  4.724 inches (12 cm)

Ecoregions

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Atlantic Forest Argentina, Brazil, Paraguay, Uruguay No
Cerrado Brazil No
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela No

Predators

Buteo albicaudatus (White-tailed Hawk)[4]
Chrysocyon brachyurus (Maned Wolf)[5]
Pseudoscops clamator (Striped Owl)[6]
Strix hylophila (Rusty-barred Owl)[7]
Thamnodynastes strigatus (Coastal House Snake)[8]

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
♦ 2Nathan 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
♦ 3Hamish 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
♦ 4Granzinolli MA, & JC Motta-Júnior. 2006. Small mammal selection by the White-tailed Hawk in southeastern Brazil Wilson J. Ornithol. 118: 91–98
♦ 5Small mammal selection and functional response in the diet of the maned wolf, Chrysocyon brachyurus (mammalia: Canidae), in southeast Brazil, Adriana A. Bueno and José Carlos Motta-Junior, Mastozoologia Neotropical 13.1 (Jan 2006): p11(9)
♦ 6Motta-Junior, JC, C. J R. Alho, and S. C S. Belentani. 2004. Food habits of the Striped Owl Asio clamator in southeast Brazil Pages 777–784 in Raptors worldwide: proceedings of the VI world conference on birds of prey and owls (R. Chancellor and B.-U. Meyburg, Eds.)
♦ 7Owl, R. B. First detailed dietary information for Rusty-barred Owl Strix hylophila. Cotinga 39 pp. 47-48
♦ 8Dieta de Thamnodynastes strigatus (Serpentes, Colubridae) no sul do Brasil, Raquel Ruffato, Marcos Di-Bernardo e Gleomar Fabiano Maschio, Phyllomedusa 2(1):27-34, 2003
♦ 9International Flea Database
♦ 10Gibson, 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
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
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