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× The Zoo is open! Entry passes are required for all guests, including infants. All visitors ages 2 and older are required to wear a mask in all indoor spaces at the Zoo, regardless of their vaccination status. Fully vaccinated visitors do not need to wear a mask in outdoor areas.

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With the help of people like you, the Smithsonian’s National Zoo and Conservation Biology Institute is making huge breakthroughs in animal care, science and conservation. By becoming a member or donating today, you'll help the Zoo save species.

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Now more than ever, we need your support. Make a donation to the Smithsonian's National Zoo and Conservation Biology Institute today!

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Donating more than 90,000 hours of time each year, volunteers provide invaluable support to the Zoo's two facilities. Learn more about volunteer opportunities.