Animalia > Chordata > Mammalia > Rodentia > Sciuridae > Ammospermophilus > Ammospermophilus nelsoni

Ammospermophilus nelsoni (Nelson's antelope squirrel; San Joaquin antelope squirrel; San Joaquin antelope ground squirrel)

Wikipedia Abstract

The San Joaquin antelope squirrel or Nelson's antelope squirrel (Ammospermophilus nelsoni), is a species of antelope squirrel, in the San Joaquin Valley of the U.S. state of California.
View Wikipedia Record: Ammospermophilus nelsoni

Endangered Species

Status: Endangered
View IUCN Record: Ammospermophilus nelsoni

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
44
 Unique & Vulnerable (100)
ED Score: 3.48
EDGE Score: 3.58
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  155 grams
Birth Weight [1]  5 grams
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates), Frugivore, Granivore, Herbivore
Diet - Fruit [2]  20 %
Diet - Invertibrates [2]  20 %
Diet - Plants [2]  30 %
Diet - Scavenger [2]  10 %
Diet - Seeds [2]  20 %
Forages - Ground [2]  100 %
Female Maturity [3]  1 year
Gestation [1]  26 days
Litter Size [1]  8
Litters / Year [1]  1
Maximum Longevity [4]  6 years
Snout to Vent Length [3]  7 inches (17 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
California Central Valley grasslands United States Nearctic Temperate Grasslands, Savannas, and Shrublands
California interior chaparral and woodlands United States Nearctic Mediterranean Forests, Woodlands, and Scrub

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Carrizo Plain Preserve Nature Conservancy - Preserve Ia 7550 California, United States  
Paine Preserve Nature Conservancy - Preserve 2965 California, United States    
Pixley Vernal Pools Preserve 37 California, United States
Sand Ridge Preserve Nature Conservancy - Preserve Ia 285 California, United States

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States Yes

Prey / Diet

Prey / Diet Overlap

Predators

Taxidea taxus (American Badger)[4]

Consumers

Parasitized by 
Hoplopsyllus anomalus (rodent flea)[4]
Meringis parkeri[4]
Thrassis augustsoni[5]

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 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
♦ 4Ammospermophilus nelsoni, Troy L. Best, Amy S. Titus, Cynthia L. Lewis, and Katharine Caesar, MAMMALIAN SPECIES No. 367, pp. 1-7 (1990)
♦ 5International Flea Database
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