Woman holding binoculars Join today and get outside at one of our 60+ wildlife sanctuaries.
Woman holding binoculars Join today and get outside at one of our 60+ wildlife sanctuaries.
Northern Harrier flying
Northern Harrier © Kyle Wilmarth

Important Bird Area Sites in Massachusetts

The following is a list of the IBA sites located across the state. What criteria does a site need to meet in order to be nominated as an IBA? Find out

Sites are listed in alphabetical order by site name.


Allens Pond & Westport River Watershed

Appleton Farm

Arcadia Wildlife Sanctuary & West Meadows

Assabet River NWR

Assawompsett Ponds Complex

Bald Hill Reservation

Barton's Cove Poets Seat

Belle Isle Marsh

Bird Island

Blackstone River Valley National Heritage Corridor

Blue Hills Reservation

Boston Harbor Islands National Recreation Area

Brewster—Eastham Flats

Brewster Ponds & Woodlands

Brush Island

Bull Hill Fields

Cape Cod National Seashore (including Wellfleet Bay Wildlife Sanctuary)

Central Berkshire Lakes

Chappaquidick Island

Cumberland Farms

Daniel Webster Wildlife Sanctuary & Cherry Hill

Dead Neck & Sampsons Island

Delaney Wildlife Management Area

Eastern Essex County Interior Forest

Eastern Point/Gloucester Harbor

Ellisville Harbor

Essex County Coastal Bird Islands

Eugene Moran Wildlife Management Area

Freetown State Forest & Southeastern MA Bioreserve

Fresh Pond

Graves Farm Wildlife Sanctuary

Great Marsh

Great Sippewisett Marsh & Black Beach

Hiram Fox Wildlife Management Area

Hockomock Swamp

Hoosic Plateau

Kalmus Beach Park

Konkapot & Agawam Marshes

Lee & Cole Rivers

Little River Watershed

Longmeadow Flats

Lynnfield Marsh

Manomet Center for Conservation Sciences

Marblehead Neck

Massachusetts Military Reservation

Middlesex Fells

Mill Pond (Smiley's Pond) & Marshes

Monomoy & South Beach NWR

Montague Sandplains

Mount Holyoke/Mount Tom/East Mountain Range

Mt. Auburn Cemetery

Mt. Greylock

Mt. Watatic

Myles Standish State Forest

Mystic River Watershed

Nahant Bay

Nashua River Watershed

North River Mouth & Corridor

Peat Meadow

Plymouth & Duxbury Bays

Quabbin Reservoir Watershed


Ram Island

Rockport Headlands & Inshore Waters

Rocky Gutter Wildlife Management Area

Sandwich Beaches

South Cape Beaches—Sandy Neck

Stellwagen Bank

Stop River

Sudbury & Foss Reservoirs

Sudbury/Concord River Valley

Upper Housatonic Valley

Wachusett Mountain

Wachusett Reservoir

Ware River Watershed

West Dennis Beach

Westover Grasslands Complex

Wompatuck State Park

Yarmouth Beaches