Based on 4,712 research-grade iNaturalist observations in California, Douglas's Squirrel is most often recorded in August; in California it behaves like a summer visitor / breeder. It ranks #24 among mammals recorded in the state in our data.
Tamiasciurus douglasii
Douglas's 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 August
California Ground Squirrel
Mule Deer
California Sea Lion
Coyote
Eastern Fox Squirrel
Desert Cottontail
Western Gray Squirrel
Common Raccoon
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 Douglas's Squirrel appear in California?
Mainly May–October, with the most records in August.
How common is Douglas's Squirrel in California?
It ranks #24 by number of iNaturalist observations among mammals in California (4,712 records in our sample).