Based on 17,857 research-grade iNaturalist observations in California, Western Gray Squirrel is most often recorded in October; in California it behaves like a year-round resident. It ranks #8 among mammals recorded in the state in our data.
Sciurus griseus
Western Gray Squirrel in California by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in California in October
Eastern Fox Squirrel
Coyote
California Ground Squirrel
Mule Deer
California Sea Lion
Common Raccoon
Gray Fox
Bobcat
Places to look in California
Botanical GardenThe Huntington Library, Art Museum, and Botanical Gardens
State ParkHearst Castle
Botanical GardenSan Francisco Botanical Garden
State ParkAnza-Borrego Desert State Park
National ForestAngeles National Forest
National ForestSequoia National Forest
FAQ
When does Western Gray Squirrel appear in California?
Mainly September–August, with the most records in October.
How common is Western Gray Squirrel in California?
It ranks #8 by number of iNaturalist observations among mammals in California (17,857 records in our sample).