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Buckhorn Island State Park


Buckhorn Island State Park Wetlands of Distinction

Buckhorn Island State Park (BISP) is located approximately 3.5 miles upstream of Niagara Falls, at the northwestern tip of Grand Island New York, where the western and eastern branches of the Niagara River re-converge.  BISP is an 895-acre state park comprised of a variety of riverine wetland, meadow, and forested habitats.  BISP contains the largest remaining riverine emergent wetland that is still hydrologically connected to the 24.8 mile Niagara River, as well as ecologically unique forested wetland and wet meadow habitats that were once abundant along the entire length of the Niagara River corridor.   In 1987 the NY Department of State Office of Planning and Development listed the BISP as a “Significant Coastal Fish & Wildlife Habitat,” as recommended by the NY State Department of Environmental Conservation.  BISP provides critical off-channel spawing and feeding habitat for a variety of warm water fisheries species in the region including Pike, Muskellunge, and Bass.

BISP is located within a major Great Lakes migratory bird route and falls within the globally significant, internationally recognized, Niagara River Corridor Important Bird Area (IBA) and the NY State designated Buckhorn Island Bird Conservation Area (BCA).   An IBA is designated as such by the National Audubon Society because it provides essential habitat for one or more species, endemic species, species representative of a biome, or significant concentrations of breeding, wintering, or migrating birds. The Niagara River supports one of the world’s largest concentration of gulls, with 19 species and over 100,000 individuals recorded, and more than 25 species of waterfowl including critical nesting habitat for several state-listed threatened avian species. BISP is open year-round from dawn to dusk; public uses include hiking, biking, bird-watching, fishing, kayaking, canoeing, and cross-country skiing.






Exemplary Ecosystem Services

Maintains ecological connectivity/cohesion

Recreation (birdwatching, ecotourism)

Carbon storage


Conservation Status and Threats

  • Conservation status

    State Protection
  • Adjacent land use

    Residential - medium density
  • Approximate natural buffer width

    > 100 ft
  • Other Information

    BISP is bordered on two sides by the Niagara River channel and floodplain (East and West Branches) and on two sides by light residential land use.  I-190 bi-sects the BISP into two pieces through the approximate center of the Park.  The emergent wetland in the Park has two water control structures installed in 1987.


  • Approximate size (ha):

  • General wetland characterization:

    Inland Fresh Meadow, Inland Shallow Fresh Marsh, Inland Deep Fresh Marsh, Inland Open Fresh Water, Inland Fresh Shrub Swamp, Inland Fresh Wooded Swamp
  • Adjacent water bod(ies)

    Pond, Stream
  • Approximate stream order

    4th or maybe 5th?
  • Name of body of water

    Niagara River
  • Surficial geology

    The surficial geology of the Buckhorn Island State Park wetlands is the result glacial events during the Pleistocene epoch. Features are identified in the Niagara River region from the Wisconsin stage of the event about 12,000 years ago, prominent among these are various moraines, glacial lakes (both extant and extinct) and till deposits. The Buckhorn Island wetlands are mapped by the U.S. Geological Survey (USGS) as 100% unconsolidated till deposits with variable textures from boulders to silt that is poorly sorted, sand-rich diamict deposited beneath glacial ice. Permeability of the till material is a function of the level of local compaction with thickness of the deposits varying throughout the Niagara River region from approximately 3 to 164 feet depending on location. These glacial till deposits have been re-worked by the floods of the Niagara River with sorting and stratification across Buckhorn Island wetlands typical of a large riverine floodplain geomorphic landscape position. The area is mapped by the U.S. Geological Survey (USGS) as 100% unconsolidated till deposits with variable textures from boulders to silt that is poorly sorted, sand-rich diamict deposited beneath glacial ice (Cadwell 1986a, 1986b).

  • Soils

    The Buckhorn Island State Park is mapped as relatively flat, with very little local variation (less than 6 feet) in elevation, and consists of several mapped United States Department of Agriculture (USDA) Soil Survey Geographic database (SSURGO) soil unit types.  The primary soil types in BISP are ponded Haplaquolls, Raynham silt loam, 0 to 3 % slopes, Canandaigua silt loam, and open water.


Flora and Fauna

  • Dominant flora

    Populus deltoides, Fraxinus pensylvanica, Acer rubrum, Salix sp., Cephalanthus occidentalis, cornus stolinifera, Lonicera, Typha sp., Phragmites australis, carex stricta, calamagrostis canadensis.
  • Unique flora

    NY State listed edangered species - Iris virginica var. shrevei is confirmed within the BISP. A rare habitat type for the Niagara River - Carex stricta wet meadow; regionallly unique "wet Oak-Hickory" forested riparian wetland assemblage per Patricia Eckel's botanical description; numerous Carya ovata as bat habitat
  • Dominant fauna

    White tail deer, Osprey, Waterfowl, Pike, Muskellunge, Bass
  • Rare fauna

    10 species of "rare" freshwater mussels were documented in the Niagara River and the aquatic zones surrounding the BISP by the NY Natural Heritage Program.


  • BISP-_West_toward_Niagara_Falls
  • BISP-_looking_E_and_upstream_along_Eastern_Branch_NR
  • Wet_Meadow_Habitat

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