Animalia > Chordata > Mammalia > Rodentia > Cricetidae > Sigmodon > Sigmodon ochrognathus

Sigmodon ochrognathus (yellow-nosed cotton rat)

Synonyms: Sigmodon baileyi; Sigmodon ochrognathus madrensis; Sigmodon ochrognathus montanus
Language: Spanish

Wikipedia Abstract

The yellow-nosed cotton rat (Sigmodon ochrognathus) is a species of rodent in the family Cricetidae. It is native to Mexico and to the states of Arizona, New Mexico, and Texas in the United States, where it inhabits mountain grassland, scrub, and pinyon-juniper woodland. It is common over much of its wide range and the IUCN considers it to be of "least concern".
View Wikipedia Record: Sigmodon ochrognathus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
12
 Unique & Vulnerable (100)
ED Score: 3.88
EDGE Score: 1.58

Attributes

Adult Weight [1]  132 grams
Birth Weight [2]  6 grams
Diet [3]  Carnivore (Invertebrates), Herbivore
Diet - Invertibrates [3]  50 %
Diet - Plants [3]  50 %
Forages - Ground [3]  100 %
Female Maturity [1]  45 days
Male Maturity [1]  45 days
Gestation [1]  35 days
Litter Size [2]  5
Litters / Year [2]  2
Maximum Longevity [2]  5 years
Snout to Vent Length [2]  6 inches (16 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Arizona Mountains forests United States Nearctic Temperate Coniferous Forests
Chihuahuan desert Mexico, United States Nearctic Deserts and Xeric Shrublands
Sierra Madre Occidental pine-oak forests Mexico, United States Nearctic Tropical and Subtropical Coniferous Forests
Sierra Madre Oriental pine-oak forests Mexico, United States Nearctic Tropical and Subtropical Coniferous Forests
Sonoran desert Mexico, United States Nearctic Deserts and Xeric Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Big Bend Biosphere Reserve National Park II 815561 Texas, United States
Coronado National Monument National Memorial III 4360 Arizona, United States
Saguaro National Park II 11686 Arizona, United States

Biodiversity Hotspots

Name Location Endemic Species Website
Madrean Pine-Oak Woodlands Mexico, United States No

Consumers

Parasitized by 
Polygenis martinezbaezi[1]

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
1Sigmodon ochrognathus, Rollin H. Baker and Karl A. Shump, Jr., MAMMALIAN SPECIES No. 97, pp. 1-2 (1978)
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
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