Based on 3,585 research-grade iNaturalist observations in California, Common Bottlenose Dolphin is most often recorded in December; in California it behaves like a year-round resident. It ranks #28 among mammals recorded in the state in our data.
Tursiops truncatus
Common Bottlenose Dolphin 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 December
Coyote
Eastern Fox Squirrel
California Ground Squirrel
Mule Deer
California Sea Lion
Common Raccoon
Bobcat
Desert Cottontail
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 Common Bottlenose Dolphin appear in California?
Mainly November–October, with the most records in December.
How common is Common Bottlenose Dolphin in California?
It ranks #28 by number of iNaturalist observations among mammals in California (3,585 records in our sample).