Western Gray Squirrel
Sciurus griseus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderRodentia (Rosegadors)
- FamilySciuridae (Squirrels)
- GenusSciurus (Tree Squirrels)
- SpeciesSciurus griseus (Western Gray Squirrel)
The western gray squirrel (Sciurus griseus) is a tree squirrel found along the western coast of the United States and Mexico. In some places, this species has also been known as the silver-gray squirrel, the California gray squirrel, the Oregon gray squirrel, the Columbian gray squirrel and the banner-tail. There are three geographical subspecies: S. g. griseus (central Washington to the western Sierra Nevada in central California); S. g. nigripes (from south of San Francisco Bay to San Luis Obispo County, California); and S. g. anthonyi (which ranges from San Luis Obispo to northern Baja California). Wikipedia →
20–30% of wildlife watchers report a Western Gray Squirrel sighting in Sequoia and Kings Canyon National Parks, based on 76 days of visitor records from GBIF citizen-science data.
Closest Relatives at Sequoia and Kings Canyon National Parks
Fox Squirrel
Sciurus niger
Yellow-bellied Marmot
Marmota flaviventris
Golden-mantled Ground Squirrel
Callospermophilus lateralis
Douglas' Squirrel
Tamiasciurus douglasii
California Ground Squirrel
Otospermophilus beecheyi
Lodgepole Chipmunk
Tamias speciosus
Belding's Ground Squirrel
Urocitellus beldingi
Alpine Chipmunk
Tamias alpinus
Tamia de Merriam
Tamias merriami
Long-eared Chipmunk
Tamias quadrimaculatus
White-tailed Antelope Squirrel
Ammospermophilus leucurus
Least Chipmunk
Tamias minimus
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Yosemite National Park | 🇺🇸 United States | |
| 2 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 3 | Redwood National Park | 🇺🇸 United States | |
| 4 | Channel Islands National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Western Gray Squirrel in Sequoia and Kings Canyon National Parks?
About 27% of wildlife watchers report a Western Gray Squirrel sighting in Sequoia and Kings Canyon National Parks, based on 76 days of visitor records from GBIF citizen-science data.
When is the best time to see Western Gray Squirrel in Sequoia and Kings Canyon National Parks?
October has the highest sighting rate for Western Gray Squirrel in Sequoia and Kings Canyon National Parks in our monthly data.