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