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