Beginning Jan. 18, 2022, the Zoo is open Thursdays, Fridays, Saturdays and Sundays from 8 a.m. to 3 p.m. 

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. Select animal buildings remain closed.

Enrichment Day

Saturday, August 25, 2018
10:03 am to 2:03 pm
  • lion tackling a giant ball
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Enrichment Day

Celebrate Enrichment Day at the Smithsonian's National Zoo on Saturday, Aug. 25! Participate in training and enrichment activities, attend demonstrations and talk to animal keepers about why enrichment is such an important part of the everyday care of Zoo animals.

What is Enrichment?

Unique forms of stimulation, such as balls, climbing structures and puzzle feeders, give the Zoo's 1,800 animals a safe and creative outlet to demonstrate their natural behaviors. When combined with appropriate enclosures and proper socialization, these introduced objects, sounds, smells and other stimuli enhance Zoo animals' well-being. 

How can you help?

You can support enrichment activities at the Zoo by donating to the Animal Enrichment Program.