Martin National Wildlife Refuge
Encyclopedia
Glenn Martin National Wildlife Refuge includes the northern half of Smith Island
Smith Island, Maryland
Smith Island is a census-designated place in Somerset County, Maryland, United States. It is included in the Salisbury, Maryland Metropolitan Statistical Area....

 (in Somerset County, Maryland
Somerset County, Maryland
-2010:Whereas according to the 2010 U.S. Census Bureau:*53.5% White*42.3% Black*0.3% Native American*0.7% Asian*0.0% Native Hawaiian or Pacific Islander*1.7% Two or more races*1.5% Other races*3.3% Hispanic or Latino -2000:...

), which lies 11 miles (17.7 km) west of Crisfield, Maryland
Crisfield, Maryland
Crisfield is a city in Somerset County, Maryland, United States, located on the Tangier Sound, an arm of the Chesapeake Bay. The population was 2,723 at the 2000 census. It is included in the Salisbury, Maryland Metropolitan Statistical Area...

, and Watts Island, (in Accomack County, Virginia
Accomack County, Virginia
As of the census of 2010, there were 33,164 people, 15,299 households, and 10,388 families residing in the county. The population density was 84 people per square mile . There were 19,550 housing units at an average density of 43 per square mile...

), which is located between the eastern shore of Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

 and Tangier Island. Both islands are situated in the lower Chesapeake Bay
Chesapeake Bay
The Chesapeake Bay is the largest estuary in the United States. It lies off the Atlantic Ocean, surrounded by Maryland and Virginia. The Chesapeake Bay's drainage basin covers in the District of Columbia and parts of six states: New York, Pennsylvania, Delaware, Maryland, Virginia, and West...

. The Refuge was established in 1954 when the late Glenn L. Martin donated 2569 acres (10.4 km²) to the U.S. Fish and Wildlife Service. Since then, donation and purchase has increased the size of the Refuge to 4548 acres (18.4 km²). The tidal marsh, coves and creeks, and vegetated ridges of the Refuge form an important stopover and wintering area for thousands of migratory waterfowl
Waterfowl
Waterfowl are certain wildfowl of the order Anseriformes, especially members of the family Anatidae, which includes ducks, geese, and swans....

 and nesting habitat for various wildlife species. Martin National Wildlife Refuge is the largest unit of the Chesapeake Islands Refuges, which also includes Spring Island, Barren Island
Barren Island (Maryland)
Barren Island is small, uninhabited landmass in the Chesapeake Bay, just off the coast of Dorchester County, Maryland. It is located at . It is known to be a swan nesting ground....

, and Bishops Head in Dorchester County, Maryland
Dorchester County, Maryland
Dorchester County is a county located in the U.S. state of Maryland on its Eastern Shore. It is bordered by the Choptank River to the north, Talbot County to the northwest, Caroline County to the northeast, Wicomico County to the southeast, Sussex County, Delaware, to the east, and the Chesapeake...

. The management of the Chesapeake Islands Refuges falls under the umbrella of the Chesapeake Marshlands National Wildlife Refuge Complex
Chesapeake Marshlands National Wildlife Refuge Complex
Chesapeake Marshlands National Wildlife Refuge Complex is a National Wildlife Refuge complex in the state of Maryland located near the Delmarva Peninsula.-Refuges within the complex:* Blackwater National Wildlife Refuge* Martin National Wildlife Refuge...

. Located in Cambridge, Maryland
Cambridge, Maryland
Cambridge is a city in Dorchester County, Maryland, United States. The population was 12,326 at the 2010 census. It is the county seat of Dorchester County and the county's largest municipality...

, the Complex also manages Blackwater National Wildlife Refuge
Blackwater National Wildlife Refuge
The Blackwater National Wildlife Refuge was established in 1933 as a waterfowl sanctuary for birds migrating along the critical migration highway called the Atlantic Flyway...

 and Susquehanna National Wildlife Refuge.

Wildlife

The tidal marsh, coves, creeks and ridges of the refuge provide an important rest area and winter home for thousands of migratory waterfowl and nesting habitat for a variety of wildlife that change with the seasons.

Winter residents on the refuge include black ducks, pintail, mergansers, long-tailed ducks, scoters, bufflehead, Canada geese, and tundra swans. During spring and summer, the salt marsh grasses, abundant insects, and underwater vegetation attract black ducks, mallards, gadwall, and green-winged teal to nest on the refuge. Gulls, terns, black skimmers, oystercatchers, and willets nest and feed along the marsh grasses, mud flats, and sand bars. The wooded ridges provide nest sites for several water birds. Ten different species, including herons, egrets, and glossy ibis have been seen in rookeries on the refuge. Rookeries are groups or colonies of birds that nest together. Martin NWR supports the largest colony of brown pelicans in the Maryland portion of the Chesapeake Bay.

A small population of red fox, muskrat, mink, otter, voles, northern diamondback terrapin, and various nonpoisonous water snakes also live in the marsh areas. Clapper rails, sea-side sparrows, and marsh wrens also depend on the protected refuge habitat. Peregrine falcons have been nesting on the refuge every year since the first peregrine nesting tower was installed in 1984. The marsh and estuary are important in the production of marine species such as crabs and oysters that help form the food chain.
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