Climate Change

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Fact Sheet
Known as "prairie ghosts" because they are so elusive, the Sonoran pronghorn (Antilocapra americana sonoriensis) is the fastest land mammal in North America. Smaller and lighter in color than other pronghorn subspecies, it is uniquely adapted for survival in harsh arid conditions.
Habitat Conservation
Defenders of Wildlife is working to protect and strengthen the National Wildlife Refuge System, the only system of federal lands in the United States dedicated to wildlife conservation.
Fact Sheet
Each spring, thousands of these shorebirds stop in the U.S. as they migrate from South America to the Canadian Arctic.