Glenn Martin National Wildlife Refuge
Delaware
First established in 1954 through a 2,569 acre donation by the late Glenn L. Martin, the Martin National Wildl…

Grays Lake National Wildlife Refuge
Utah
Grays Lake NWR, created in 1965, is managed by the U.S. Fish and Wildlife Service (Service) to protect a porti…
Great Bay National Wildlife Refuge
New Hampshire
Established in 1992, Great Bay National Wildlife Refuge is located along the eastern shore of New Hampshire's …
Great White Heron National Wildlife Refuge
Florida
Great White Heron National Wildlife Refuge was established in 1938 as a haven for great white herons, migrator…
Green Cay National Wildlife Refuge
U.S. Virgin Islands
Green Cay National Wildlife Refuge was established in 1977 to protect the endangered St. Croix ground lizard. …
Grulla National Wildlife Refuge
New Mexico
Grulla National Wildlife Refuge was officially established as a refuge when the lands were transferred to the …
Hamden Slough National Wildlife Refuge
Minnesota
Eastern forest dramatically gives way to the western prairie at Hamden Slough National Wildlife Refuge which w…
Handy Brake National Wildlife Refuge
Louisiana
Handy Brake National Wildlife Refuge is located just north of Bastrop in Morehouse Parish, north central Louis…
Harbor Island National Wildlife Refuge
Michigan
Harbor Island National Wildlife Refuge consists of two islands, Harbor and Standerson Islands. These islands a…

Harris Neck National Wildlife Refuge
Georgia
Harris Neck National Wildlife Refuge was established in 1962 and has since served as a premier nesting, foragi…

Havasu National Wildlife Refuge
Arizona
Havasu National Wildlife Refuge, originally named Havasu Lake National Wildlife Refuge, was established by Exe…
Hewitt Lake National Wildlife Refuge
Montana
Hewitt Lake National Wildlife Refuge was established on March 7, 1938 by Executive Order No. 7833 as a Migrato…
Hillside National Wildlife Refuge
Mississippi
Established in 1975, Hillside National Wildlife Refuge supports hundreds of wildlife species. Before what is n…
Horicon National Wildlife Refuge
Wisconsin
At more than 33,000 acres, Horicon Marsh is one of the largest freshwater marshes in the United States and is …
Howland Island National Wildlife Refuge
American Samoa
Howland Island National Wildlife Refuge was established in 1974 and includes 410,999 acres, of which 648 acres…
Hulē‘ia National Wildlife Refuge
Hawaii
Hulē‘ia National Wildlife Refuge (NWR) is approximately 241 acres and was established in 1973 under the Endang…
Humboldt Bay National Wildlife Refuge
Oregon
“Tens of thousands of geese blackened the sky during seasonal migrations, their rhythmic honking punctuating t…
Huron National Wildlife Refuge
Wisconsin
Eight small islands, totaling 147 acres, make up Huron National Wildlife Refuge. The refuge is located just th…
Imperial National Wildlife Refuge
Arizona
Imperial National Wildlife Refuge was established by Executive Order 8685 on February 14, 1941. The 25,768-acr…
Innoko National Wildlife Refuge
Alaska
The Innoko National Wildlife Refuge, traditional homelands of the Koyukon Athabascan people, was established b…
Island Bay National Wildlife Refuge
Florida
On the refuge, beaches and shores of the refuge provide loafing and feeding sites for shorebirds, gulls, and t…

Izembek National Wildlife Refuge
Alaska
Homeland of the Unangax̂ peoples, Izembek National Wildlife Refuge is at the tip of the Alaska Peninsula betwe…
J. Clark Salyer National Wildlife Refuge
North Dakota
J. Clark Salyer National Wildlife Refuge was originally named the Lower Souris Refuge. The name "Souris" is Fr…
J.N. "Ding" Darling National Wildlife Refuge
Florida
J.N. "Ding" Darling National Wildlife Refuge, on the subtropical barrier island of Sanibel in the Gulf of Amer…