Migration & timing

Great Cormorant in Massachusetts

There aren't yet enough observations of Great Cormorant in Massachusetts to describe its timing with confidence.

Sighting 1 observations in Massachusetts

Check back as more observations come in, or explore Great Cormorant across North America.

Great Cormorant elsewhere

More birds in Massachusetts

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