order Rodentia: rodents

family Sciuridae: squirrels

Hoary Marmot (Marmota caligata)

Yellow-bellied Marmot (Marmota flaviventris)

California Ground Squirrel (Otospermophilus beecheyi)

Rock Squirrel (Otospermophilus variegatus)

Uinta Ground Squirrel (Urocitellus armatus)

Belding's Ground Squirrel (Urocitellus beldingi)

Arctic Ground Squirrel (Urocitellus parryii)

Golden-mantled Ground Squirrel (Callospermophilus lateralis)

Fox Squirrel (Sciurus niger)

Western Gray Squirrel (Sciurus griseus)

Douglas Squirrel (Tamiasciurus douglasii)

American Red Squirrel (Tamiasciurus hudsonicus)

Least Chipmunk (Neotamias minimus)

Yellow-pine Chipmunk (Neotamias amoenus)

Uinta Chipmunk #00, Mono County California 18 July 2022

Lodgepole Chipmunk (Neotamias speciosus)

family Castoridae: beavers

American Beaver (Castor canadensis)

family Erethizonidae: new world porcupines

North American Porcupine (Erethizon dorsatum)

text & photographs Copyright © Douglas Herr

all rights reserved

last updated 07 June 2026

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