Based on 2,791 research-grade iNaturalist observations in Maine, Double-crested Cormorant is most often recorded in August; in Maine it behaves like a summer visitor / breeder. It ranks #4 among birds recorded in the state in our data.
Nannopterum auritum
Double-crested Cormorant in Maine by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Maine in August
Places to look in Maine
State ParkBaxter State Park
State ParkFort Halifax
State ParkTwo Lights State Park
State ParkQuoddy Head State Park
State ParkFort Point State Park
State ParkPopham Beach State Park
FAQ
When does Double-crested Cormorant appear in Maine?
Mainly May–October, with the most records in August.
How common is Double-crested Cormorant in Maine?
It ranks #4 by number of iNaturalist observations among birds in Maine (2,791 records in our sample).