Cranesville Swamp Preserve is a preserve situated in

Preston County Preston County is a County (United States), county located in the U.S. state of West Virginia. As of the 2020 United States census, 2020 Census, the population was 34,216. Its county seat is Kingwood, West Virginia, Kingwood. The county was fo ...

West Virginia West Virginia is a mountainous U.S. state, state in the Southern United States, Southern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States.The United States Census Bureau, Census Bureau and the Association of American ...

and

Garrett County Garrett County () is the westernmost county of the U.S. state of Maryland, completely within the Appalachian Mountains. As of the 2020 United States census, the population was 28,806, making it the third-least populous county in Maryland. Its ...

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...

. It is one of the few remaining

boreal Boreal, northern, of the north. Derived from the name of the god of the north wind from Ancient Greek civilisation, Boreas (god), Boreas. It may also refer to: Climatology and geography *Boreal (age), the first climatic phase of the Blytt-Sernand ...

bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and musk ...

s in the southern United States, unusual in harboring many plants and animals that are normally only seen in more northern

climates Climate is the long-term weather pattern in a region, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorolog ...

History

The Nature Conservancy The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia, United States. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in ...

purchased the beginning in 1960. In October 1964, the site was designated as one of the first

National Natural Landmark The National Natural Landmarks (NNL) Program recognizes and encourages the conservation of outstanding examples of the natural history of the United States. It is the only national natural areas program that identifies and recognizes the best e ...

s in the country.

Geology

Cranesville Swamp is situated in a natural bowl, or " frost pocket," creating a climate that is more consistent with more northerly regions.

Ecology

Flora

Cranesville Swamp's unusual setting allows 19 different

plant communities A plant community is a collection or Association (ecology), association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The comp ...

to flourish, with the most dominant species being, among others,

sphagnum moss ''Sphagnum'' is a genus of approximately 380 accepted species of mosses, commonly known as sphagnum moss, also bog moss and quacker moss (although that term is also sometimes used for peat). Accumulations of ''Sphagnum'' can store water, since ...

speckled alder ''Alnus incana'', the grey alder, tag alder or speckled alder, is a species of multi-stemmed, shrubby tree in the birch family, with a wide range across the cooler parts of the Northern Hemisphere. Tolerant of wetter soils, it can slowly spread w ...

(''Alnus rugosa''), various

sedge The Cyperaceae () are a family of graminoid (grass-like), monocotyledonous flowering plants known as wikt:sedge, sedges. The family (biology), family is large; botanists have species description, described some 5,500 known species in about 90 ...

s ('' Carex folliculata'', and '' C. stricta'') and grasses. Bog species include round-leaved sundew (''Drosera rotundifolia'') and narrowleaf gentian ('' Gentiana linearis''). The swamp is also home to the southernmost natural community of American larches.

Fauna

In addition to black bear,

porcupine Porcupines are large rodents with coats of sharp Spine (zoology), spines, or quills, that protect them against predation. The term covers two Family (biology), families of animals: the Old World porcupines of the family Hystricidae, and the New ...

snowshoe hare The snowshoe hare (''Lepus americanus''), also called the varying hare or snowshoe rabbit, is a species of hare found in North America. It has the name "snowshoe" because of the large size of its hind feet. The animal's feet prevent it from sink ...

and a wide variety of birds, the rare northern water shrew has been documented here. Birders have also noted the

golden-crowned kinglet The golden-crowned kinglet (''Regulus satrapa'') is a very small songbird in the family Regulidae that lives throughout much of North America. Description Adults are olive-gray on the upperparts with white underparts, with thin bills and sh ...

and

Nashville warbler The Nashville warbler (''Leiothlypis ruficapilla'') is a small songbird in the New World warbler family, found in North and Central America. It breeds in parts of the northern and western United States and southern Canada, and migrates to winter ...

, rarely seen in this area.

References

{{authority control Appalachian bogs Bogs of Maryland Bogs of West Virginia Protected areas of Preston County, West Virginia Protected areas of Garrett County, Maryland Nature Conservancy preserves Nature reserves in Maryland Nature reserves in West Virginia National Natural Landmarks in Maryland National Natural Landmarks in West Virginia Landforms of Preston County, West Virginia Landforms of Garrett County, Maryland IUCN Category V