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VISITORS: Please note that the Zoo will close early to pedestrians and vehicular traffic on Oct. 20, 21 and 22 in preparation for Boo at the Zoo. Please visit the hours page for full details.
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Earth Optimism: Cheetahs

First come cubs, then comes species recovery. Find out how a thriving population in human care benefits wild cheetahs. On Earth Day weekend, April  21 to 23, the Smithsonian is convening the Smithsonian Earth Optimism Summit, an event about the science that's working to solve complex conservation challenges around the globe.