Annual Reports
The Smithsonian's National Zoo and Conservation Biology Institute's annual reports can be found on the Smithsonian website here.
Today's Hours:
8 a.m. to 4 p.m. 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.
The Smithsonian's National Zoo and Conservation Biology Institute's annual reports can be found on the Smithsonian website here.