Migration & timing

Green Heron in Illinois

There aren't yet enough observations of Green Heron in Illinois to describe its timing with confidence.

Sighting 5 observations in Illinois

Check back as more observations come in, or explore Green Heron across North America.

Green Heron elsewhere

More birds in Illinois

Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.