
Based on 10,276 research-grade iNaturalist observations in Maryland, Mallard is most often recorded in April; in Maryland it behaves like a year-round resident. It ranks #5 among birds recorded in the state in our data.
Anas platyrhynchos
Mallard in Maryland 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 Maryland in April

American Robin
Canada Goose

Northern Cardinal
Red-winged Blackbird

Osprey

White-throated Sparrow

Mourning Dove
Eastern Bluebird
Places to look in Maryland
Washington Monument State Park
Patapsco Valley State Park
Seneca Creek State Park
Calvert Cliffs State Park
Susquehanna State Park
Gambrill State Park
FAQ
When does Mallard appear in Maryland?
Mainly March–February, with the most records in April.
How common is Mallard in Maryland?
It ranks #5 by number of iNaturalist observations among birds in Maryland (10,276 records in our sample).