Migration & timing
Least Tern in California
There aren't yet enough observations of Least Tern in California to describe its timing with confidence.
Sighting 10 observations in California
Check back as more observations come in, or explore Least Tern across North America.
Least Tern elsewhere
More birds in California
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.