Based on 37,385 research-grade iNaturalist observations in California, Cooper's Hawk is most often recorded in July; in California it behaves like a year-round resident. It ranks #30 among birds recorded in the state in our data.
Astur cooperii
Cooper's Hawk 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 July
House Finch
Western Gull
Red-tailed Hawk
Mallard
Great Blue Heron
Black Phoebe
Snowy Egret
Anna's Hummingbird
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 Cooper's Hawk appear in California?
Mainly June–May, with the most records in July.
How common is Cooper's Hawk in California?
It ranks #30 by number of iNaturalist observations among birds in California (37,385 records in our sample).