Based on 1,515 research-grade iNaturalist observations in Delaware, Osprey is most often recorded in July; in Delaware it behaves like a summer visitor / breeder. It ranks #4 among birds recorded in the state in our data.
Pandion haliaetus
Osprey in Delaware 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 Delaware in July
Laughing Gull
Great Blue Heron
Snowy Egret
Green Heron
Blue Grosbeak
Great Egret
American Goldfinch
Forster's Tern
Places to look in Delaware
State ParkCape Henlopen State Park
Botanical GardenWinterthur Museum, Garden and Library
State ParkTrap Pond State Park
State ParkKillens Pond State Park
State ParkBellevue State Park
State ParkBrandywine Creek State Park
FAQ
When does Osprey appear in Delaware?
Mainly March–September, with the most records in July.
How common is Osprey in Delaware?
It ranks #4 by number of iNaturalist observations among birds in Delaware (1,515 records in our sample).