Please note: The Great Ape House will be closed to visitors on Thursday, April 3.
Due to technical difficulties, we cannot process online payments. Free Entry Passes are still available and visitors may purchase Parking Passes at the Zoo (subject to availability).
A conservationist’s work is never done. At least, it doesn’t stop when a species is returned to its native habitat. Instead, scientists at the Smithsonian Conservation Biology Institute’s (SCBI) Conservation Ecology Center use satellite tracking collars to understand the challenges animals face once...