Migration & timing
American Herring Gull in California
There aren't yet enough observations of American Herring Gull in California to describe its timing with confidence.
Sighting 19 observations in California
Check back as more observations come in, or explore American Herring Gull across North America.
American Herring Gull elsewhere
More birds in California
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.