Based on 3,500 research-grade iNaturalist observations in Ohio, Double-crested Cormorant is most often recorded in September; in Ohio it behaves like a spring and fall migrant. It ranks #36 among birds recorded in the state in our data.
Nannopterum auritum
Double-crested Cormorant in Ohio 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 Ohio in September
Great Blue Heron
Canada Goose
American Goldfinch
Mallard
Turkey Vulture
Great Egret
Wood Duck
Ruby-throated Hummingbird
Places to look in Ohio
Botanical GardenCincinnati Zoo and Botanical Garden
Botanical GardenChadwick Arboretum
National ForestWayne National Forest
Botanical GardenCox Arboretum and Gardens MetroPark
State ParkHocking Hills State Park
State ParkMaumee Bay State Park
FAQ
When does Double-crested Cormorant appear in Ohio?
Mainly April–October, with the most records in September.
How common is Double-crested Cormorant in Ohio?
It ranks #36 by number of iNaturalist observations among birds in Ohio (3,500 records in our sample).