Migration & timing
Green Heron in Pennsylvania
There aren't yet enough observations of Green Heron in Pennsylvania to describe its timing with confidence.
Sighting 5 observations in Pennsylvania
Check back as more observations come in, or explore Green Heron across North America.
Green Heron elsewhere
More birds in Pennsylvania
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.