Climate Change
Coral reef, © Jim Maragos/USFWS
Polar bear, © Tom Schneider

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Where We Work
Our Southwest team works to protect rare and threatened species like Mexican wolves, jaguars and ocelots.
In the Magazine
Is climate change causing the arctic food chain to unravel?
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.