Smithsonian Conservation Biology Institute
The Smithsonian Institute for Conservation Biology (SCBI) is part of the Smithsonian. It is located near Front Royal, Virginia and has a 3,200-acre (13 km2) campus. This includes the Smithsonian National Zoo. The total area of the Smithsonian Conservation Biology Institute is considered the largest zoo in the world by area.
The Smithsonian National Zoo is one of the oldest zoos in the United States with 400 species of animals. It is part of the Smithsonian Institution and requires no admission fee. The main exhibits are the Amazon, the Asian Trail, the Giant Panda Habitat, the Great Ape House, and the Think Tank.
Total Land Area: 3,200 acres (13 km2)
Area of The Smithsonian National Zoo: 163 acres
Location: Smithsonian’s National Zoo & Conservation Biology Institute 3001 Connecticut Ave., NW Washington, DC 20008, U.S.
No. of Animals: 2,000
No. of species: 400
Date opened: May 6, 1889
Website; http://nationalzoo.si.edu/scbi/default.cfm