Based on 26,937 research-grade iNaturalist observations in California, Red-winged Blackbird is most often recorded in April; in California it behaves like a seasonal. It ranks #37 among birds recorded in the state in our data.
Agelaius phoeniceus
Red-winged Blackbird 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
Canada Goose
California Towhee
Mourning Dove
Red-tailed Hawk
California Scrub-Jay
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 Red-winged Blackbird appear in California?
Mainly January–June, with the most records in April.
How common is Red-winged Blackbird in California?
It ranks #37 by number of iNaturalist observations among birds in California (26,937 records in our sample).