Wildlife Need Wild Places
Learn about the endangered plants and animals that call national parks home, and why we need the Endangered Species Act to protect them.
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Focus On
Yellowstone: The World's First National Park
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A River Through Golden Rocks
The park gets its name from the Yellowstone River, which in turn was named for the bright mustard-colored canyon walls it flows through. -
Lush, Steaming, Vibrant
From the lush valleys to the rocky canyons to the steaming geyser basins to the peaceful lakes, Yellowstone's terrain is varied and vibrant. -
More Than Old Faithful
Yellowstone is home to more than half the world's geysers and an exceptional concentration of geothermal energy. -
The 'Serengeti of North America'
Yellowstone has the largest concentration of mammals in the contiguous United States including a high number of large predators.
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