Animalia > Chordata > Mammalia > Rodentia > Sciuridae > Tamias > Tamias townsendii

Tamias townsendii (Townsend's chipmunk)

Wikipedia Abstract

Townsend's chipmunk (Neotamias townsendii) is a species of rodent in the squirrel family Sciuridae. It lives in the forests of the Pacific Northwest of North America, from British Columbia through western Washington and Oregon. A large chipmunk, adults can be 36 cm (14 in) from nose to tail. In much of its range, it is the only chipmunk; it can be identified by its tail which is grayish above and reddish below, and by its brown coloration with indistinct tawny stripes.
View Wikipedia Record: Tamias townsendii


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 5.87
EDGE Score: 1.93


Adult Weight [1]  75 grams
Birth Weight [1]  4 grams
Female Maturity [1]  11 months 23 days
Diet [2]  Frugivore, Granivore
Diet - Fruit [2]  50 %
Diet - Seeds [2]  50 %
Forages - Ground [2]  100 %
Gestation [1]  28 days
Litter Size [1]  5
Litters / Year [1]  1
Maximum Longevity [1]  9 years
Weaning [1]  50 days


Name Countries Ecozone Biome Species Report Climate Land
British Columbia mainland coastal forests Canada, United States Nearctic Temperate Coniferous Forests
Cascade Mountains leeward forests Canada, United States Nearctic Temperate Coniferous Forests
Central and Southern Cascades forests United States Nearctic Temperate Coniferous Forests
Central Pacific coastal forests Canada, United States Nearctic Temperate Coniferous Forests  
Eastern Cascades forests United States Nearctic Temperate Coniferous Forests
Klamath-Siskiyou forests United States Nearctic Temperate Coniferous Forests
Puget lowland forests United States Nearctic Temperate Coniferous Forests
Willamette Valley forests United States Nearctic Temperate Broadleaf and Mixed Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
California Coast Ranges Biosphere Reserve 153447 California, United States  
Cascade Head Biosphere Reserve 17423 Oregon, United States
Coram Biosphere Reserve 7460 Montana, United States
H.J. Andrews Biosphere Reserve 15815 Oregon, United States
Heath and Marjorie Angelo Coast Range Preserve Nature Conservancy - Preserve Ia 7008 California, United States
Jackson Demonstration State Forest   California, United States
Lake Chelan National Recreation Area II 606367 Washington, United States
Lassen Volcanic National Park II 29388 California, United States
McCloud River Preserve Conservation Easement 1693 California, United States
Mount Rainier National Park II 235186 Washington, United States
Olympic Biosphere Reserve II 922805 Washington, United States
Oregon Caves National Monument V 456 Oregon, United States

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No

Prey / Diet

Acer negundo (box elder)[3]
Aesculus californica (California buckeye)[3]
Arctostaphylos uva-ursi (kinnikinnick)[3]
Clintonia uniflora (bride's bonnet)[3]
Cornus canadensis (Canadian bunchberry)[3]
Epilobium angustifolium subsp. angustifolium (Rosebay Willowherb)[3]
Fragaria virginiana (Virginia Strawberry)[3]
Malus fusca (Oregon crab apple)[3]
Rosa nutkana var. hispida (Bristly Nootka rose)[3]
Rubus spectabilis (salmonberry)[3]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Acanthis flammea (Common Redpoll)1
Acrosternum hilare (Green stinkbug)1
Alces alces (moose)1
Apis mellifera (honey bee)1
Aplodontia rufa phaea1
Bombus jonellus (Heath Humble-bee)1
Bombus lucorum (White-tailed bumblebee)1
Bromius obscurus (Western Grape Rootworm)1
Cardinalis cardinalis (Northern Cardinal)1
Corvus brachyrhynchos (American Crow)1
Cyanocitta cristata (Blue Jay)1
Didelphis virginiana (Virginia Opossum)1
Lepus americanus (Snowshoe Hare)1
Lygocoris pabulinus (Common Green Capsid)1
Marmota caligata (hoary marmot)1
Marmota vancouverensis (Vancouver marmot)1
Meleagris gallopavo (Wild Turkey)1
Mephitis mephitis (Striped Skunk)1
Microtus chrotorrhinus (rock vole)1
Mimus polyglottos (Northern Mockingbird)1
Myodes rutilus (northern red-backed vole)1
Odocoileus virginianus (white-tailed deer)1
Ovis dalli (Dall's sheep)1
Peromyscus leucopus (white-footed mouse)1
Phenacomys intermedius (western heather vole)1
Phenacomys ungava (eastern heather vole)1
Sylvilagus floridanus (Eastern Cottontail)1
Tamias striatus (eastern chipmunk)1
Urocitellus parryii (Arctic ground squirrel)1
Ursus americanus (black bear)1
Ursus arctos (Grizzly Bear)1
Zapus princeps (western jumping mouse)1
Zapus trinotatus (Pacific jumping mouse)1
Zonotrichia leucophrys (White-crowned Sparrow)1


Accipiter cooperii (Cooper's Hawk)[4]
Accipiter gentilis (Northern Goshawk)[4]


Parasitized by 
Aetheca wagneri[5]
Catallagia sculleni chamberlini[5]
Ceratophyllus ciliatus protinus[5]
Eumolpianus eumolpi eumolpi[5]
Eumolpianus orarius[5]
Megarthroglossus procus[5]
Orchopeas nepos[5]
Oropsylla idahoensis[5]

Range Map

North America;



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
3Tamias townsendii, Dallas A. Sutton, MAMMALIAN SPECIES No. 435, pp. 1-6 (1993)
4Jorrit 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.
5International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access