Migration & timing
Least Tern in Delaware
There aren't yet enough observations of Least Tern in Delaware to describe its timing with confidence.
Sighting 1 observations in Delaware
Check back as more observations come in, or explore Least Tern across North America.
Least Tern elsewhere
More birds in Delaware
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.