Sand Lake National Wildlife Refuge is located in the northeastern part of the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...
of
South Dakota
South Dakota (; Sioux: , ) is a U.S. state in the North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large porti ...
and is administered by the
U.S. Fish and Wildlife Service
The United States Fish and Wildlife Service (USFWS or FWS) is an agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats. The mission of the agency is "working with othe ...
. Created in 1935, it is a
wetlands of international importance
A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O)
*** Permanent 8 ha (P)
*** Seasonal Intermittent < 8 ha(Ts)
**
Franklin's gull
Franklin's gull (''Leucophaeus pipixcan'') is a small (length 12.6–14.2 in, 32–36 cm) gull. The genus name ''Leucophaeus'' is from Ancient Greek ''leukos'', "white", and ''phaios'', "dusky". The specific ''pipixcan'' is a Nahuatl name f ...
s.
History and management
In the late 1880s, the Sand Lake area was settled by farmers. Their agricultural practices depleted wildlife habitat and caused a severe decline in waterfowl numbers. The
US Congress
The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washin ...
established the refuge in 1935 to preserve wildlife habitat and breeding grounds.
The Sand Lake National Wildlife Refuge is located in northeastern South Dakota, and covers of wildlife habitat. It is part of the National Wildlife Refuge System, which covers over 550 such refuges in the US. The system is managed by the
US Fish and Wildlife Service
The United States Fish and Wildlife Service (USFWS or FWS) is an agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats. The mission of the agency is "working with othe ...
wetland
A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The p ...
and
grassland
A grassland is an area where the vegetation is dominated by grasses ( Poaceae). However, sedge ( Cyperaceae) and rush ( Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur na ...
habitat on private property, is run through the wildlife refuge. The program is the largest such district in the country, and manages properties in eight counties. The refuge hosts around 75,000 visitors annually.
Wetlands
Sand Lake National Wildlife Refuge is one of the refuges included in the
list of wetlands of international importance
This is the list of Wetlands of International Importance as defined by the Ramsar Convention for the conservation and sustainable use of wetlands, recognizing the fundamental ecological functions of wetlands and their economic, cultural, scientifi ...
under the
Ramsar Convention
The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar site, Ramsar sites (wetlands). It is also known as the Convention on W ...
, which was signed in 1971 and entered into force in the US in 1987. It is one of 35 such sites in the US, which cover a total of . Sand Lake was designated on August 3, 1998 and covers . As a "large freshwater
cattail
''Typha'' is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae. These plants have a variety of common names, in British English as bulrush or reedmace, in American English as reed, cattail, or punks, in ...
marsh", it was selected as a refuge due to being a "critical nesting and staging habitat" for numerous species of birds, including tens of thousands of migrating
waterfowl
Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which i ...
. The wetlands are a popular tourist attraction, with thousands of visitors each year.
Flora and fauna
Large concentrations of more than 260 bird species, 40 mammals and a variety of other species live in the refuge. WildBird Magazine called Sand Lake one of North America's top 15 sites for bird watching.
Mallard duck
The mallard () or wild duck (''Anas platyrhynchos'') is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurasia, and North Africa, and has been introduced species, introduced to New Zealand, Australia, Peru, Bra ...
s,
wood duck
The wood duck or Carolina duck (''Aix sponsa'') is a species of perching duck found in North America. The drake wood duck is one of the most colorful North American waterfowl.
Description
The wood duck is a medium-sized perching duck. A ty ...
s and
Canada geese
The Canada goose (''Branta canadensis''), or Canadian goose, is a large wild goose with a black head and neck, white cheeks, white under its chin, and a brown body. It is native to the arctic and temperate regions of North America, and it is o ...
are frequently seen, as are
Western grebe
The western grebe (''Aechmophorus occidentalis'') is a species in the grebe family of water birds. Folk names include "dabchick", "swan grebe" and "swan-necked grebe".
Western grebe fossils from the Late Pleistocene of southwest North America ...
snow geese
The snow goose (''Anser caerulescens'') is a species of goose native to North America. Both white and dark morphs exist, the latter often known as blue goose. Its name derives from the typically white plumage. The species was previously placed ...
. The largest nesting colony of
Franklin's gull
Franklin's gull (''Leucophaeus pipixcan'') is a small (length 12.6–14.2 in, 32–36 cm) gull. The genus name ''Leucophaeus'' is from Ancient Greek ''leukos'', "white", and ''phaios'', "dusky". The specific ''pipixcan'' is a Nahuatl name f ...
s in the world is also found in Sand Lake. The Sand Lake National Wildlife Refuge had been designated as a Globally Important Bird Area by the
American Bird Conservancy
American Bird Conservancy (ABC) is a non-profit membership organization with the mission of conserving wild birds and their habitats throughout the Americas. Its focus is on threats to birds in the Western Hemisphere – threats which include ov ...
, one of 500 such sites in the US and approximately 3,500 worldwide. It is one of two such sites in South Dakota, with the other being the Fort Pierre National Grassland.
The main waterway in the refuge is the James River, which feeds Sand Lake and Mud Lake. The lakes were created by the
Civilian Conservation Corps
The Civilian Conservation Corps (CCC) was a voluntary government work relief program that ran from 1933 to 1942 in the United States for unemployed, unmarried men ages 18–25 and eventually expanded to ages 17–28. The CCC was a major part of ...
during the New Deal Era, as they built dams on local rivers. The refuge and the James River were considered infested with
Zebra mussel
The zebra mussel (''Dreissena polymorpha'') is a small freshwater mussel. The species originates from the lakes of southern Russia and Ukraine, but has been accidentally introduced to numerous other areas and has become an invasive species in ma ...