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The Zoo is open! Entry passes are required for all guests, including infants. Effective July 30, 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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Animals in the Small Mammal House at the Smithsonian's National Zoo Enjoy St. Patrick's Day Enrichment

With St. Patrick’s Day just around the corner, animals—and their keepers—at the National Zoological Park’s Small Mammal House got into the holiday spirit. Keepers created animal-enrichment activities and objects full of treats for many of the small mammals. These enrichment activities provide physical and mental stimulation for the animals that give them opportunities to use their natural abilities and behaviors.