Animalia > Chordata > Mammalia > Rodentia > Sciuridae > Marmota > Marmota olympus

Marmota olympus (Olympic marmot)

Wikipedia Abstract

The Olympic marmot (Marmota olympus) is a rodent in the squirrel family Sciuridae; it occurs only in the U.S. state of Washington, on the middle elevations of the Olympic Peninsula. The closest relatives of this species are the hoary marmot and the Vancouver Island marmot. In 2009, it was declared the official endemic mammal of Washington.This marmot is about the size of a domestic cat, typically weighing about 8 kg (18 lb) in summer.
View Wikipedia Record: Marmota olympus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 2.2
EDGE Score: 1.16


Adult Weight [1]  17.86 lbs (8.10 kg)
Female Maturity [1]  3 years
Male Maturity [1]  3 years
Diet [2]  Frugivore, Granivore, Herbivore
Diet - Fruit [2]  30 %
Diet - Plants [2]  40 %
Diet - Seeds [2]  30 %
Forages - Ground [2]  100 %
Gestation [1]  28 days
Hibernates [3]  Yes
Litter Size [1]  4


Name Countries Ecozone Biome Species Report Climate Land
Central Pacific coastal forests Canada, United States Nearctic Temperate Coniferous Forests  

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Olympic Biosphere Reserve II 922805 Washington, United States

Emblem of


Prey / Diet

Bistorta bistortoides (American bistort)[1]
Campanula rotundifolia (Harebell)[1]
Eremogone formosa (slender mountain sandwort)[1]
Erythronium montanum (white avalanche-lily)[1]
Festuca idahoensis (Idaho fescue)[1]
Lilium columbianum (Columbia lily)[1]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Cervus elaphus (wapiti or elk)1
Marmota vancouverensis (Vancouver marmot)2
Ochotona princeps (pika)1
Ovis canadensis (bighorn sheep)1
Thomomys talpoides (northern pocket gopher)1
Thrips vulgatissimus1
Ursus arctos (Grizzly Bear)1


Canis latrans (Coyote)[1]
Puma concolor (Cougar)[1]


Parasitized by 
Oropsylla eatoni[4]
Thrassis spenceri spenceri[4]

Range Map

North America;



Attributes / relations provided by
1Marmota olympus, Andrew J. Edelman, MAMMALIAN SPECIES No. 736, pp. 1–5 (2003)
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
3Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
4International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access