Based on 51,365 research-grade iNaturalist observations in California, Canada Goose is most often recorded in April; in California it behaves like a seasonal. It ranks #16 among birds recorded in the state in our data.
Branta canadensis
Canada Goose 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

Mallard
House Finch
Anna's Hummingbird

California Towhee

Mourning Dove

Red-tailed Hawk
California Scrub-Jay
Lesser Goldfinch
Places to look in California
Botanical GardenThe Huntington Library, Art Museum, and Botanical Gardens
State ParkHearst Castle
Botanical GardenSan Francisco Botanical Garden
Anza-Borrego Desert State Park
Angeles National Forest
National ForestSequoia National Forest
FAQ
When does Canada Goose appear in California?
Mainly November–July, with the most records in April.
How common is Canada Goose in California?
It ranks #16 by number of iNaturalist observations among birds in California (51,365 records in our sample).