West · Pacific Flyway

Are There Brown-headed Cowbirds in California?

Molothrus ater — Icteridae

UncommonAbundance
Summer breederSeasonal status
4Active months
204,801Observations

Is the Brown-headed Cowbird Found in California?

Brown-headed Cowbirds do occur in California, but they are considered uncommon. Encountering one requires patience and the right habitat during the breeding season.

Brown-headed Cowbird is a North American backyard bird.

In California, this species is classified as uncommon. It visits during the breeding season, typically spring through summer. The best months to observe this bird are April, May, June, July. Peak activity occurs in May, June.

Monthly Activity — Brown-headed Cowbird in California

Relative frequency of observations by month. Higher bars indicate peak periods for this species.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
RegularSeasonalRare

Identification

FamilyIcteridae
View full Brown-headed Cowbird profile →

Best Time to See Brown-headed Cowbird in California

January
Active
February
Active
March
Active
April
Peak
May
Peak
June
Peak
July
Peak
August
Active
September
Active
October
Active
November
Active
December
Active

Other birds in California

Birds you might also encounter in California.

Brown-headed Cowbird in other states

Brown-headed Cowbird in California: Quick Facts

The Brown-headed Cowbird (Molothrus ater) is an uncommon bird in California. It is classified as a summer breeder in the state, falling within the West region and the Pacific Flyway migration corridor.

The best months to spot this species in California are April, May, June, July. For birders in Los Angeles and throughout California, knowing the seasonal patterns of Brown-headed Cowbird can help plan birding trips and backyard feeding strategies.

Use the monthly activity chart above to plan your birding outings, and explore other bird species found in California using the related birds section.