The area of National Elk Refuge is 101.171 square kilometers.
The National Elk Refuge near Jackson, Wyoming, is the winter feeding ground for the American Elk. The refuge supports 5,000 to 8,000 wintering elk each year. The elk only stay in the refuge during the winter, dispersing to the surrounding National Parks (Grand Teton National Park and Yellowstone National Park) during the rest of the year.
The area of Choctaw National Wildlife Refuge is 17.07 square kilometers.
Emiquon National Wildlife Refuge was created in 2000.
The area of Aransas National Wildlife Refuge is 464 square kilometers.
The area of Driftless Area National Wildlife Refuge is 3,286,006.946424576 square meters.
The area of Desecheo National Wildlife Refuge is 1,456,868.312064 square meters.
The area of Catahoula National Wildlife Refuge is 101.827 square kilometers.
The area of Tetlin National Wildlife Refuge is 2,833.034 square kilometers.
The area of Toppenish National Wildlife Refuge is 8,004,682.003507201 square meters.
The area of Pahranagat National Wildlife Refuge is 21.772 square kilometers.
The area of Aroostook National Wildlife Refuge is 21.254 square kilometers.
The area of Nowitna National Wildlife Refuge is 8,498.398 square kilometers.