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Sciuridae
Website Species List:
Fox Squirrel (Sciurus niger rufiventer) in Cottonwood Tree Sciurus niger
(fox squirrel)
Eastern Gray Squirrel (Sciurus carolinensis carolinensis) Head Poking Out of a Tree Sciurus carolinensis
(eastern gray squirrel)
Western Gray Squirrel (Sciurus griseus) Sciurus griseus
 (western gray squirrel)
Western Gray Squirrel (Sciurus griseus) Tamiasciurus hudsonicus
(American red squirrel)
Douglas' squirrel (Tamiasciurus douglasii) Tamiasciurus douglasii
(Douglas' squirrel)
Least Chipmunk (Tamias minimus) Tamias minimus
(Least Chipmunk)
Spermophilus richardsonii (Richardson's Ground Squirrel) Urocitellus richardsonii
(Richardson's ground squirrel)
Otospermophilus beecheyi (California ground squirrel) Otospermophilus beecheyi
 (California ground squirrel)
Spermophilus richardsonii (Richardson's Ground Squirrel) Spermophilus tridecemlineatus
(thirteen-lined ground squirrel)
Fox Squirrel (Sciurus niger rufiventer) in Cottonwood Tree Cynomys ludovicianus
(black-tailed prairie dog)
Marmota flaviventris (Yellow-bellied Marmot) Marmota flaviventris
(yellow-bellied marmot)
Urocitellus richardsonii
(Richardson's ground squirrel)
Index
Spermophilus richardsonii (Richardson's Ground Squirrel) Identifying Characterists
Taxonomy
Spermophilus richardsonii (Richardson's Ground Squirrel) Auditory Alarm Behavior
 Communication
  Auditory Alarm
Spermophilus richardsonii (Richardson's ground squirrel) Young (Litter)Young Development
 Litter Size
 Youth Range

Ecology
Diet
Predation
Ectoparasites