Based on 8,578 research-grade iNaturalist observations in California, Harbor Seal is most often recorded in April; in California it behaves like a year-round resident. It ranks #18 among mammals recorded in the state in our data.
Phoca vitulina
Harbor Seal 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 April
California Ground Squirrel
Eastern Fox Squirrel
Desert Cottontail
Coyote
Mule Deer
California Sea Lion
Western Gray Squirrel
Black-tailed Jackrabbit
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 Harbor Seal appear in California?
Mainly March–February, with the most records in April.
How common is Harbor Seal in California?
It ranks #18 by number of iNaturalist observations among mammals in California (8,578 records in our sample).