Migration & timing
Green Heron in Massachusetts
There aren't yet enough observations of Green Heron in Massachusetts to describe its timing with confidence.
Sighting 12 observations in Massachusetts
Check back as more observations come in, or explore Green Heron across North America.
Green Heron elsewhere
More birds in Massachusetts
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.