26 Water Birds in Maryland (Must-See Species Guide)

Maryland, a state known for its diverse geography and rich history, is also home to a captivating array of water birds. Bordered by the Atlantic Ocean and Chesapeake Bay, and interspersed with numerous rivers and wetlands, the state provides varied habitats that cater to these unique creatures.

Maryland water birds

Water Bird SpeciesFrequency in MarylandWhere to Find in Maryland
American White PelicanUncommonBlackwater National Wildlife Refuge, occasionally at larger bodies of water
Brown PelicanCommonChesapeake Bay, Assateague Island
Double-Crested CormorantCommonChesapeake Bay, Coastal areas
Great Blue HeronVery CommonWetlands, rivers, and lakes statewide
Great EgretCommonWetlands, Eastern Shore, Blackwater Refuge
Snowy EgretCommonCoastal areas, Assateague Island
Green HeronCommonWetlands and small bodies of water statewide
Black-Crowned Night-HeronUncommonUrban and suburban parks, wetlands
Yellow-Crowned Night-HeronUncommonSuburban areas, Chesapeake Bay
MallardVery CommonLakes, ponds, and rivers statewide
Wood DuckCommonForested wetlands, rivers statewide
Blue-Winged TealCommonWetlands, Eastern Shore
Northern PintailCommonWetlands, Blackwater National Wildlife Refuge
CanvasbackCommonChesapeake Bay, Eastern Shore
RedheadCommonChesapeake Bay, coastal wetlands
Ring-Necked DuckCommonLakes, ponds statewide
BuffleheadCommonCoastal areas, Chesapeake Bay
Hooded MerganserCommonFreshwater bodies statewide
Common MerganserCommonRivers and large lakes statewide
Ruddy DuckCommonCoastal areas, Chesapeake Bay
American CootCommonLakes, ponds statewide
Sandhill CraneUncommonEastern Shore, open fields, and marshes
American WigeonCommonWetlands, coastal areas
American AvocetUncommonEastern Shore, coastal wetlands
OspreyVery CommonNear water bodies statewide
Black SkimmerUncommonCoastal areas, sandy beaches

Water Bird Species Found in Maryland 

Where to Spot Maryland’s Water Birds

Blackwater National Wildlife Refuge, Dorchester County: This large refuge in the Chesapeake Bay region is known for migratory waterfowl, including the American Black Duck, and wading birds like the Great Blue Heron.

Assateague Island National Seashore, Worcester County: This barrier island is excellent for seeing shorebirds like Piping Plovers and a variety of gulls and terns. In the bay side, you can spot waders and ducks. Many are on the way to over winter in South america.

Patuxent Research Refuge, Prince George’s and Anne Arundel Counties: This refuge, centered around the Patuxent River, hosts water birds such as the Wood Duck, Hooded Merganser, and a variety of herons.

Eastern Neck National Wildlife Refuge, Kent County: Situated at the mouth of the Chester River, this refuge is known for a range of waterfowl, especially Tundra Swans and Snow Geese in winter, and wading birds.

Sandy Point State Park, Anne Arundel County: This park on the western shore of the Chesapeake Bay is great for viewing a variety of gulls, ducks, and wading birds. The park is also known for its winter population of water birds and for Maine’s birds of prey including bald eagles, or a red tailed hawk who often prey on small birds and medium sized birds, and other wildlife refuges in the park.

Neighboring StateBest Spots for Birdwatching
Pennsylvania Water BirdsConneaut Harbor, John Heinz National Wildlife Refuge, Middle Creek Wildlife Management Area
West Virginia Water BirdsCanaan Valley National Wildlife Refuge, Ohio River Islands National Wildlife Refuge, New River Gorge National Park
Virginia Water BirdsChincoteague National Wildlife Refuge, Back Bay National Wildlife Refuge, Mason Neck National Wildlife Refuge
Delaware Water BirdsBombay Hook National Wildlife Refuge, Prime Hook National Wildlife Refuge, Delaware Seashore State Park