Migration & timing
Costa's Hummingbird in California
There aren't yet enough observations of Costa's Hummingbird in California to describe its timing with confidence.
Sighting 16 observations in California
Check back as more observations come in, or explore Costa's Hummingbird across North America.
Costa's Hummingbird elsewhere
More birds in California
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.