Research Natural Areas within Fish & Wildlife Service Managed Lands

Alabama

Unit Name	Natural Area	Primary Type	Acres
Choctaw	Water-Tupelo	Water Tupelo	35
Wheeler	Bluff City	Eastern Red Cedar	13

Alaska

Unit Name	Natural Area	Primary Type	Acres
Alaska Maritime	Agattu Island	Birds	55,535
Alaska Maritime	Buldir Island	Birds	5,000
Arctic	Firth River-Mancha Creek	Arctic Tundra	520,000
Arctic	Shublik	Arctic Tundra	34,540
Kenai	Andrew Simon	White Spruce-Birch	830,000
Kenai	Bedlam Lake	White Spruce-Birch	10
Kenai	Nikolai Bay	Black Spruce	20
Kenai	Skilak	White Spruce	20
Kodiak	Mount Glottof	Kodiak Brown Bear	80,500

Arizona

Unit Name	Natural Area	Primary Type	Acres
Cabeza Prieta	Antelope Flat	Creosote Bush	57
Cabeza Prieta	Kearney Sumac	Kearney Sumac	23,040
Cabeza Prieta	Pinacate	Palo Verde-Cactus-Shrub	5,120
CabezaPrieta	Sierra Pinta	Palo Verde-Cactus-Shrub	5,120
Havasu	Bill Williams	Cottonwood-Willow	440
Kofa	Fishtail Canyon	Palms	200
Kofa	Palm Canyon	Palms	225

Arkansas

Unit Name	Natural Area	Primary Type	Acres
Big Lake	Big Lake Bald Cypress	Bald Cypress	500
Holla Bend	Hog Thief	Cottonwood	100
White River	White River	Sweetgum-Nuttall Oak-Willow Oak	973

California

Unit Name	Natural Area	Primary Type	Acres
Kern	San Joaquin Desert	Blunt-nosed Leopard Lizard, San Joaquin Kit Fox	2,260

Colorado

Unit Name	Natural Area	Primary Type	Acres
Monte Vista	Spring Creek	Saltbush-Greasewood	14

Delaware

Unit Name	Natural Area	Primary Type	Acres
Bombay Hook	Marshall Island	Tidal Salt Marshes	120

Florida

Unit Name	Natural Area	Primary Type	Acres
J.N. "Ding" Darling	Norberg	Red and Black Mangrove	150
Lake Woodruff	Honey Creek	Southern Cordgrass Prairie	1,140
Loxahatchee	Loxahatchee Slough	Everglades	2,560
National Key Deer	Big Mullet Key	Red Mangrove	20
National Key Deer	Cottrell Key	Red Mangrove	30
National Key Deer	Little Mullet Key	Red Mangrove	16
St. Marks	Abe Trull	Longleaf Pine	25
St. Marks	Byrd Hammock	Pond Cypress-Swamp Tupelo	32
St. Marks	Coggins Branch	Loblolly Pine-Hardwoods	25
St. Marks	Gum Swamp	Sweet Bay-Swamp Tupelo-Red Maple	118
St. Marks	Levy Ditch	Live Oak	88
St. Marks	Otter Creek	Pond Cypress	98
St. Marks	Otter Lake	Loblolly Pine-Scrub Oak	93
St. Marks	Panacea	Southern Scrub Oak	20
St. Marks	St. Marks	Tidal Salt Marsh, Slash Pine-Cabbage Palm	1,066

Georgia

Unit Name	Natural Area	Primary Type	Acres
Blackbeard Island	Blackbeard Island	Slash Pine-Hardwood	450
Okefenokee	Black Jack Island	Swamp and Marshy Areas	15,027
Okefenokee	Cowhouse Island	Live Oak	10
Okefenokee	Floyd's Island	Southern Scrub Oak	160
Okefenokee	Number One Island	Longleaf Pine-Slash Pine	126
Okefenokee	Pine Island	Pondpine	90
Okefenokee	Pond Cypress	Pond Cypress	14,989
Okefenokee	Sweet Bay	Sweetbay-Swamp Tupelo-Red Maple	2,560
Okefenokee	Territory Prairie	Swamps and Marshy Areas	1,450
Piedmont	Five Points	Loblolly Pine-Shortleaf Pine	118

Hawaii

Unit Name	Natural Area	Primary Type	Acres
Hawaiian Islands	French Frigate Shoals	Birds (seabird colonies)	107,772
Hawaiian Islands	Gardner Pinnacles	Birds (seabird colonies)	6
Hawaiian Islands	Laysan Island	Birds (Laysan teal, Laysan Finch, seabird colonies)	1,010
Hawaiian Islands	Lisianski Island	Birds (seabird colonies)	383
Hawaiian Islands	Necker Island	Birds (seabird colonies)	45
Hawaiian Islands	Nihoa Island	Birds (Nihoa miller-bird, Nihoa Finch, seabird colonies)	170
Hawaiian Islands	Pearl and Hermes Reef	Birds (seabird colonies)	95,582

Illinois

Unit Name	Natural Area	Primary Type	Acres
Crab Orchard	Area 10	Black Willow	40
Crab Orchard	Big Grassy Creek	White Oak-Red Oak	210
Crab Orchard	Crab Orchard Cemetery	Eastern Red Cedar	70
Crab Orchard	Crab Orchard Creek Bottoms	Pin Oak-Sweet Gum	105
Crab Orchard	Devil's Kitchen Dam	Yellow Popular-White Oak-Northern Red Oak	130
Crab Orchard	Devil's Kitchen Lake	Unglaciated Sandstone Bluffs	136
Crab Orchard	Little Grassy Creek	River Birch-Sycamore	20
Crab Orchard	Pigeon Creek	White Oak-Red Oak-Hickory	40
Crab Orchard	Post Oak Flats	Post Oak-Black Oak	72
Crab Orchard	The Oxbow	Black Willow	160
Crab Orchard	Wolf Creek Bay	Cottonwood	40
Crab Orchard	Wolf Creek (East Tributaries)	White Oak-Red Oak-Hickory	330
Chautauqua	Cameron	Silver Maple-American Elm	177
Chautauqua	Rountree	Black Oak-Mockernut Hickory	26
Upper Mississippi	Thomson-Fulton Sand Prairie	Bluestem Prairie	321

Indiana

Unit Name	Natural Area	Primary Type	Acres
Muscatatuck	Muscatatuck Acid Seep Spring	Unique Plant Association	97

Iowa

Unit Name	Natural Area	Primary Type	Acres
Upper Mississippi	Twelve Mile Island	Silver Maple-American Elm	900

Kansas

Unit Name	Natural Area	Primary Type	Acres
Kirwin	Solomon River Grasslands	Bluestem-Grama Prairie	120
Quivira	Santana	Bluestem Prairie	362

Louisiana

Unit Name	Natural Area	Primary Type	Acres
Sabine	Blue Islands	Southern Cordgrass Prairie	112

Maine

Unit Name	Natural Area	Primary Type	Acres
Moosehorn	Bertrand E. Smith	White Pine	160
Moosehorn	Camp Two	Balsam Fir	40
Moosehorn	Edmunds Unit	Red Spruce-Balsam Fair	160
Moosehorn	Hobart	Northern White Cedar	10
Moosehorn	Moosehorn Meadows	Birds (managed woodcock habitat)	50
Moosehorn	Sunken Bog	Sphagnum-Bog Lakes	10

Maryland

Unit Name	Natural Area	Primary Type	Acres
Eastern Neck	Hail Point	Tidal Salt Marsh	149
Patuxent Research Refuge	Patuxent I (Bottomlands Forest)	Sweetgum-Yellow Poplar	1,000
Patuxent Research Refuge	Patuxent II (Terrace Woodlands)	White Oak-Red Oak-Hickory	250
Patuxent Research Refuge	Patuxent III (Upland Forest)	White Oak-Red Oak-Hickory	1,700

Massachusetts

Unit Name	Natural Area	Primary Type	Acres
Parker River	Ludlow Griscom Dune	Beach Bayberry-American Plum-Beachgrass	150

Michigan

Unit Name	Natural Area	Primary Type	Acres
Seney	Hemlock	White Pine-Hemlock	80
Seney	Northern Hardwood	Sugar Maple-Beech-Yellow Birch	550
Seney	Red Pine	Red Pine	500
Seney	Strangmoor Bog	Unusual Geologic Phenomenon	640

Minnesota

Unit Name	Natural Area	Primary Type	Acres
Rice Lake	Rice Lake	Tamarack	100
Sherburne	Santiago Oak Savanna	Oak Savanna	500
Tamarac	Height of Land	Sugar Maple-Basswood	73
Tamarac	Sugarbush	Sugar Maple-Basswood	136
Upper Mississippi	Reno Bottoms	Silver Maple-American Elm	1,980

Mississippi

Unit Name	Natural Area	Primary Type	Acres
Noxubee	Morgan Hill	Eastern Red Cedar-Pine-Hardwood	67
Noxubee	Old Robinson Road	Bald Cypress	46
Yazoo	Swan Lake Black	Black Willow	400

Missouri

Unit Name	Natural Area	Primary Type	Acres
Mingo	Cherrybark	Cherrybark Oak-Swamp Chestnut Oak	60
Mingo	Cypress-Tupelo	Bald Cypress-Water Tupelo	80
Mingo	Elm-Ash-Maple	Black Ash-American Elm-Red Maple	80
Mingo	Oak-Hickory	White Oak-Red Oak-Hickory	140
Mingo	Overcup Oak	Overcup Oak	45
Mingo	Pin Oak	Pin Oak-Sweet Gum	180
Mingo	Willow Oak	Willow Oak-Sweet Gum	40
Squaw Creek	Bluejoint-Slough Grass-Prairie	Northern Cordgrass Prairie	250
Squaw Creek	Cordgrass Prairie	Northern Cordgrass Prairie	210
Squaw Creek	Loess Hills	Eolian Land Form	100
Swan Lake	Yellow Creek	Silver Maple-American Elm	1,000

Montana

Unit Name	Natural Area	Primary Type	Acres
Benton Lake	Mullan Trail	Wheatgrass-Needlegrass	392
Charles M. Russell	Dillon Island	Cottonwood-Willow	80
Charles M. Russell	Fourth Ridge	Rocky Mountain Juniper	1,480
Charles M. Russell	Grand Island	Cottonwood-Willow	160
Charles M. Russell	Limber Pine	Limber Pine	1,053
Charles M. Russell	Manning Corral Prairie Dog Town	Grama, Needlegrass, Wheatgrass	1,079
Charles M. Russell	Missouri River Bottomlands	Free flowing river with Cottonwood-Willow Bottomlands	5,085
Charles M. Russell	Prairie Dog Island	Black-tailed Prairie Dog	15
Charles M. Russell	Spring Creek Bay Coulee	Aspen	160
Charles M. Russell	Two Calf Douglas Fir Community	Douglas Fir	160
Charles M. Russell	Two Calf Island	Cottonwood-Willow	30
Charles M. Russell	York Island	Grama, Needlegrass, Wheatgrass	120
Lake Mason	Lake Mason	Wheatgrass, Neeldegrass	1,420
Medicine Lake	Big Island	White Pelican	251
Medicine Lake	Bruce's Island	Wheatgrass-Grama	367
Medicine Lake	Homestead	Grama-Needlegrass-Wheatgrass	39
Medicine Lake	Tepee Hills	Human	50
Red Rock Lakes	Sheep Mountain	Interior Duglas Fir	85

Nebraska

Unit Name	Natural Area	Primary Type	Acres
Crescent Lake	Goose Lake	Nebraska Sandhills Prairie	904
Crescent Lake	Hackberry Lake	Nebraska Sandhills Prairie	172
DeSoto	DeSoto	Cottonwood	320
Fort Niobrara	Fort Niobrara	Interior Ponderosa Pine	200
Valentine	Valentine No. 1	Birds (Prairie Chicken)	530
Valentine	Valentine No. 2	Nebaska Sandhills Prairie	459

Nevada

Unit Name	Natural Area	Primary Type	Acres
Anaho Island	Anaho Island	Desert Shrub	247
Desert	Basin	Interior Ponderosa Pine	650
Desert	Deadhorse	Grama-Galleta Steppe	3,000
Desert	Hayford Peak	Bristlecone Pine	2,000
Desert	Papoose Lake	Saltbush	23,680
Desert	Pinyon-Juniper	Pinyon Juniper	500
Ruby Lake	Ruby Valley Marsh	Large Shallow
Lake	10,000

New Jersey

Unit Name	Natural Area	Primary Type	Acres
Edwin B. Forsythe	Egg Island	Laughing Gulls and Clapper Rails	600
Edwin B. Forsythe	Lily Lake Bog	Lossel's Twayblade Orchid	1
Edwin B. Forsythe	Little Beach Island	Exposed Coastline with Unconsolidated Sediment	1,250
Great Swamp	M. Hartley Dodge	White Oak-Red Oak-Hickory	746

New Mexico

Unit Name	Natural Area	Primary Type	Acres
Bitter Lake	Bitter Lake	Saline Lakes	300
Bitter Lake	Ink Pot	Sinkhole Lakes	2
Bitter Lake	Lake St. Francis	Sinkhole Lakes	700
Bosque del Apache	Apache Camp	Cottonwood-Willow	220
Bosque del Apache	Chupadera	Grama-Tobosa Scrubsteppe	5,289
Bosque del Apache	Jornada del Muerto	Giant Dropseed	10,000
Bosque del Apache	Rio Grande Marsh	Tule Marshes	97
Bosque del Apache	San Pasqual	Grama-Toboasa Scrubsteppe	3,200
Las Vegas	Gallinas	Pinyon-Juniper	385
Las Vegas	Vegosa	Grama-Buffalo Grass	537
Maxwell	Maxwell	Grama-Buffalo Grass	80

New York

Unit Name	Natural Area	Primary Type	Acres
Iroquois	Milford Posson	Sugar Maple-Beech-Yellow Birch	15
Montezuma	Beach-Maple Knoll	Beech-Sugar Maple	8
Montezuma	Swamp Woods	Black Ash-American Elm-Red Maple	100

North Carolina

Unit Name	Natural Area	Primary Type	Acres
Mattamuskeet	Salyer's Ridge	Loblolly Pine	153

Ohio

Unit Name	Natural Area	Primary Type	Acres
Ottawa	West Sister Island	Hackberry	80

Oklahoma

Unit Name	Natural Area	Primary Type	Acres
Wichita Mountain	North Mountain	Bluestem-Grama Prairie	3,900

Oregon

Unit Name	Natural Area	Primary Type	Acres
Cape Meares	Cape Meares	Sitka Spruce-Western Hemlock	138
Hart Mountain	Poker Jim Ridge	Juniper Sagebrush	640
Malheur	Harney Lake	Saline Lake	30,000
Malheur	Stinking Lake	Saline Lake	1,555
William L. Finley	Maple Knoll	Bigleaf Maple	100
William L. Finley	Pigeon Butte	Oregon White Oak	70
William L. Finley	Willamette Floodplain	Prairie and Oregon Ash	519

Pennsylvania

Unit Name	Natural Area	Primary Type	Acres
Erie	Jacob Guy	Sugar Maple-Beech-Yellow Birch	100
Erie	Lake Creek	Swamps and Marshy Areas	700
Erie	Muddy Creek	Swamps and Marshy Areas	1,072

South Carolina

Unit Name	Natural Area	Primary Type	Acres
Cape Romain	Bulls Island 1	Sand Live Oak-Cabbage Palmetto	500
Cape Romain	Bulls Island 2	Southern Red Cedar	80
Cape Romain	Bulls Island 3	Loblolly Pine-Hardwood	500
Carolina Sandhills	Carolina Sandhills	Longleaf Pine-Scrub Oak	554

South Dakota

Unit Name	Natural Area	Primary Type	Acres
Waubay	Hillebrand Lake	Bur Oak	75

Tennesse

Unit Name	Natural Area	Primary Type	Acres
Tennessee	Britton Ford	Eastern Red Cedar-Hardwood	578

Texas

Unit Name	Natural Area	Primary Type	Acres
Anahuac	Lone Tree Bayou	Tidal Salt Marshes	200
Brazoria	Christmas Point	Southern Cordgrass Prairie	175
Buffalo Lake	High Plains	Grama-Buffalo Grass	320
Hagerman	Brooks-Hagerman	Post Oak-Black Oak	50
Hagerman	Dickey-Hagerman	Post Oak-Black Oak	40
Laguna Atascosa	Granjeno	Mesquite Savanna	125
Laguna Atascosa	South Texas Cordgrass Prairie	Southern Cordgrass Prairie	50
Santa Ana	Texas Ebony	Texas Ebony	68

Utah

Unit Name	Natural Area	Primary Type	Acres
Bear River	Greasewood Knolls	Saltbrush-Greasewood	680

Vermont

Unit Name	Natural Area	Primary Type	Acres
Missisquoi	Maqum Bog	Sphagnum Peat Bog	1,600
Missisquoi	Shad Island	Black Ash-American Elm-Red Maple	114

Virginia

Unit Name	Natural Area	Primary Type	Acres
Chincoteague	Chincoteague	Loblolly Pine-Shortleaf Pine	150

Washington

Unit Name	Natural Area	Primary Type	Acres
Columbia	Drumheller Sagebrush Steppe	Sagebrush Steppe	465
Dungeness	Graveyard Spit	Estuarine, Intertidal and Subtidal - Coastal spit with native vegetation	225
Julia Butler Hansen Refuge for Columbian White-tailed Deer	Tenasillahe Island	Columbia R. Delta, Black Cottonwood-Willow-Red Alder Riparian Forest	185
Little Pend Oreille	Baird Basin	Ponderosa Pine-Larch-Douglas Fir	160
Little Pend Oreille	Varline Grove	Larch-Douglas Fir	160
Nisqually	Nisqually Delta	Estuarine, Intertidal	750
Ridgefield	Blackwater Islands	Oregon White Oak	160
Turnbull	Pine Creek	Interior Ponderosa Pine	440
Turnbull	Turnbull Pine	Interior Ponderosa Pine	197
Willapa	Cedar Grove	Western Hemlock-Western Red Cedar-Evergreen Huckleberry-Salal	274
Willapa	Diamond Point	Sitka Spruce-Western Hemlock	80
Willapa	Leadbetter Point	Estuarine, Intertidal Marshes	1700

Wisconsin

Unit Name	Natural Area	Primary Type	Acres
Necedah	Necedah Jack Pine	Jack Pine	80
Necedah	Sandstone	Oak Savanna	240
Necedah	Tomezek	Sand Dune Formation	100
Upper Mississippi	Nelson-Trevino	Silver Maple-American Elm	3,740

Wyoming

Unit Name	Natural Area	Primary Type	Acres
Hutton Lake	Laramie Plains	Wheatgrass-Needlegrass	27

Last updated: August 19, 2009